Learn / Research workflows

From question to evidence

Follow a task through design, measurement, analysis, diagnostics, and reporting. These routes explain choices; they do not automatically select or approve a method.

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Estimate comparative effectiveness

Connect a treatment-strategy question to design, measurement, estimation, diagnostics, and reporting.

  1. PICOTS Framework for RWE

    Define the question and population

  2. Target Trial Emulation

    Specify strategies and time zero

  3. Active Comparator, New-User Design

    Assess a credible initiation comparison

  4. Outcome Algorithm Construction

    Define and validate the outcome

  5. Augmented Inverse Probability Weighting (AIPW)

    Consider estimation under explicit assumptions

  6. Weight Truncation and Population Trimming

    Diagnose support and influential weights

  7. Quantitative Bias Analysis Toolkit

    Assess unresolved biases

  8. TARGET Reporting Statement

    Report the emulation transparently

Validate an outcome or phenotype

Establish what an algorithm measures, how it behaves in the intended source, and what errors remain.

  1. Continuous Enrollment and Observable Time

    Establish what can be observed

  2. EHR Phenotyping Algorithms

    Write reproducible logic and dates

  3. Two-Phase Validation Sampling Design

    Design a validation sample

  4. Sensitivity and Specificity

    Distinguish operating characteristics from predictive values

  5. Misclassification Bias Correction

    Propagate measurement uncertainty where justified

  6. RWE Analysis Readiness Editorial Worksheets

    Document evidence and open decisions

Measure treatment patterns

Build observable histories before deriving adherence, persistence, or treatment-line summaries.

  1. Claim Adjustments, Reversals, and Denials

    Reconcile transactions and capture

  2. Exposure Episode Construction

    Construct exposure episodes

  3. Grace Period and Permissible Gap Rules

    Specify gaps and sensitivity analyses

  4. Treatment Patterns and Lines of Therapy (LOT)

    Define switches and lines

  5. Persistence Time to Discontinuation

    Handle incomplete follow-up

  6. Sankey / Alluvial Diagram (Treatment Patterns)

    Display pathways with explicit denominators

Estimate disease burden

Keep frequency, patient experience, utilization, and economic burden distinct and traceable.

  1. Descriptive Epidemiology in RWE

    Define population and denominator

  2. Healthcare Resource Utilization (HCRU)

    Measure observable resource use

  3. Economic Perspective and Opportunity Cost

    State whose resources and outcomes count

  4. Cost Standardization: Price Year, Currency, and Purchasing Power

    Harmonize monetary units and dates

  5. Censored Cumulative-Cost Estimation

    Address incomplete cost follow-up

  6. Functional Status, Disability, and Symptom-Burden Outcomes

    Include functioning and symptoms

  7. Financial Toxicity and Catastrophic Health Expenditure

    Distinguish household financial burden

Build a cost-effectiveness model

Specify a decision model, justify its structure and inputs, and expose uncertainty and validation evidence.

  1. Economic Perspective and Opportunity Cost

    Define the decision problem

  2. Health Economic Modeling Methods Using RWE

    Compare model structures

  3. Individual-Level Microsimulation and Semi-Markov Models

    Assess history and heterogeneity

  4. Markov Transition Probabilities from Real-World Data

    Derive coherent transitions

  5. QALY Accrual from Repeated Utility Measurements

    Construct health-outcome inputs

  6. Probabilistic Sensitivity Analysis (PSA) for Health-Economic Models

    Propagate joint uncertainty

  7. Structural Uncertainty in Economic Models

    Assess alternative structures

  8. Health-Economic Model Verification, Calibration, and Validation

    Separate verification and validation

  9. Acceptability Frontier and Expected Opportunity Loss

    Connect uncertainty to the decision

  10. Economic-Model Validation Evidence Worksheet

    Preserve the evidence record

What each concept includes

420 concepts, 120 guidance resources, and 59 charts. Examples and citations do not themselves establish validity. Execution labels apply to particular code examples.

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420 concepts shown

Available teaching and implementation material
ConceptPlain language Worked exampleCode Executed codeDiagram Citations
Accelerated Failure Time (AFT) ModelsYesYespython, r, sasNot verifiedYes3
ACS and Area-Level SDoH LinkageYesYes—Not verified—5
Active Comparator, New-User DesignYesYespython, r, sasNot verifiedYes3
Acute Event Deduplication WindowYesYespython, r, sasNot verifiedYes4
ADaM for Real-World Data SubmissionsYesYespython, r, sasNot verifiedYes4
Agreement Statistics: Kappa, ICC, and Bland-AltmanYesYespython, r, sasNot verifiedYes3
AHRQ CCS and CCSR Clinical ClassificationsYesYes—Not verified—5
Algorithm ValidationYesYespython, r, sasNot verifiedYes5
All-Cause vs Attributable CostsYesYespython, r, sasNot verifiedYes3
As-Treated Risk Window ConstructionYesYespython, r, sasNot verifiedYes5
ATC Classification and Defined Daily Dose (DDD)YesYespython, rNot verifiedYes4
Attributable Risk and Population Attributable FractionYesYespython, r, sasNot verified—2
Attrition and Loss to Follow-UpYesYespython, r, sasNot verifiedYes6
Augmented Inverse Probability Weighting (AIPW)YesYespython, r, sasNot verifiedYes3
Baseline Characteristics and Covariate BalanceYesYespython, r, sasNot verifiedYes5
Bayesian Inference FoundationsYesYespython, r, sasNot verifiedYes3
Behavioral and Care-Delivery Intervention ExposuresYesYespython, r, saspython, r—3
Benefit Carve-Outs in Claims DataYesYes—Not verified—3
Beta Distribution for Proportions and UtilitiesYesYespython, r, sasNot verified—3
Binomial Distribution and the Logit LinkYesYespython, r, sasNot verifiedYes2
Biomarker-Defined Cohort (RWE)YesYespython, r, sasNot verifiedYes5
Bootstrap and Resampling MethodsYesYespython, r, sasNot verifiedYes3
Bayesian Borrowing from Historical / External ControlsYesYesr, python, sasNot verifiedYes7
Brier ScoreYesYespython, r, saspython, rYes5
Budget Impact AnalysisYesYespython, r, sasNot verifiedYes3
Burden of Disease and Cost-of-Illness (COI) StudiesYesYespython, r, sasNot verifiedYes5
Calendar-Time Bias and Secular-Trend ConfoundingYesYespython, r, sasNot verifiedYes4
Caregiver Health, Informal Care, and Productivity CostsYesYespython, rpython, r—4
Cascade of Care AnalysisYesYespython, r, sasNot verifiedYes4
Case-Case-Time-Control DesignYesYespython, r, sasNot verifiedYes4
Case-Cohort DesignYesYespython, r, sasNot verifiedYes3
Case-Control Study DesignYesYespython, r, sasNot verifiedYes5
Case-Crossover DesignYesYespython, r, sasNot verifiedYes5
Case ReportYesYespython, r, sasNot verifiedYes4
Case SeriesYesYespython, r, sasNot verifiedYes3
Case-Time-Control DesignYesYespython, r, sasNot verifiedYes5
Causal Mediation AnalysisYesYespython, r, saspython, r—1
Causal Mediation and Effect ModificationYesYespython, r, sasNot verifiedYes6
CDISC Controlled Terminology for RWE SubmissionsYesYespython, r, sasNot verifiedYes4
CDISC Standards (SDTM/ADaM) for RWE SubmissionsYesYespython, r, saspython, r—2
Cost-Effectiveness Acceptability Frontier and Expected Opportunity LossYesYespython, rpython, r—3
Censored Cumulative-Cost EstimationYesYespython, rpython, r—2
Censoring: Types, Mechanisms, and InformativenessYesYespython, r, sasNot verifiedYes3
Observational Comparative Effectiveness ResearchYesYespython, r, sasNot verifiedYes6
Charlson / Quan-Charlson Comorbidity Index (CCI)YesYespython, r, sasNot verifiedYes4
Chart Abstraction Interrater ReliabilityYesYespython, r, sasNot verifiedYes6
Chi-Square Test of IndependenceYesYespython, r, sasNot verifiedYes4
Claim Adjustments, Reversals, and DenialsYesYespython, r, sasNot verifiedYes2
Administrative Claims AnalysisYesYespython, r, sasNot verifiedYes4
Claims-Based Frailty Index (Faurot / Kim)YesYespython, r, sasNot verifiedYes4
Claims Outcome Algorithm PPV/Sensitivity Trade-offYesYespython, r, sasNot verifiedYes6
Claims Payment Anatomy: Billed, Allowed, and Paid AmountsYesYespython, r, sasNot verifiedYes10
Clinical Outcome Assessment Types and Context of UseYesYespython, r, saspython, r—2
Clone-Censor-Weight for Per-Protocol Target-Trial EmulationYesYespython, r, sasNot verifiedYes5
Cluster-Randomized TrialYesYespython, r, sasNot verifiedYes5
Cluster-Robust Standard ErrorsYesYespython, r, sasNot verifiedYes5
CMS-1500 / 837P Professional Claim FieldsYesYespython, rNot verifiedYes6
CMS-HCC Risk AdjustmentYesYes—Not verified—3
Coarsened Exact Matching (CEM)YesYespython, r, sasNot verifiedYes5
Prospective Cohort StudyYesYespython, r, sasNot verifiedYes5
Retrospective Cohort Study DesignYesYespython, r, sasNot verifiedYes4
Collider Bias and Index-Event BiasYesYespython, r, sasNot verifiedYes6
Comparative Effectiveness Research (CER) MethodsYesYespython, r, sasNot verifiedYes6
Competing Risks (Cause-Specific Hazard, Cumulative Incidence, and Fine-Gray)YesYespython, r, sasNot verifiedYes5
Complete-Case AnalysisYesYespython, r, sasNot verifiedYes5
Composite Endpoint ConstructionYesYespython, r, sasNot verifiedYes4
Confounding by Indication and Channeling BiasYesYespython, rNot verifiedYes4
Continuous Enrollment and Observable TimeYesYespython, r, sasNot verifiedYes4
Continuous Measurement Error and CorrectionYesYespython, r, sasNot verifiedYes3
Cost-Benefit Analysis (CBA)YesYespython, python, rNot verifiedYes4
Cost-Consequence AnalysisYesYespython, rpython, r—2
Cost-effectiveness Analysis (CEA)YesYespython, rNot verifiedYes7
Cost-minimization Analysis (CMA)YesYespython, r, sasNot verifiedYes3
Cost-of-Illness (COI) StudyYesYespython, r, sasNot verifiedYes4
Cost Outlier Handling (Winsorization, Trimming, Robust/Two-Part Models)YesYespython, r, sasNot verifiedYes4
Cost Standardization: Price Year, Currency, and Purchasing PowerYesYespython, rpython, r—1
Cost-Utility Analysis (CUA)YesYespython, r, sasNot verifiedYes5
Cox Proportional Hazards RegressionYesYespython, r, sasNot verifiedYes4
CPRD (Clinical Practice Research Datalink)YesYespython, r, sasNot verifiedYes4
CPT Codes (HCPCS Level I)YesYespython, rNot verified—6
Credible Interval in Bayesian StatisticsYesYespython, r, sasNot verifiedYes5
Cross-Sectional StudyYesYespython, r, sasNot verifiedYes3
Cross-Validation, Overfitting, and OptimismYesYespython, rNot verifiedYes3
Cumulative Incidence and Absolute Risk EstimationYesYespython, r, sasNot verifiedYes4
Cure Models (Mixture and Non-Mixture)YesYespython, r, sasNot verifiedYes3
DAGs and the Backdoor Criterion for Drug StudiesYesYespython, r, sasNot verifiedYes5
Database Feasibility Assessment and Attrition FunnelYesYespython, r, sasNot verifiedYes4
Days Alive and Out of HospitalYesYespython, r, saspython, r—2
Dechallenge-Rechallenge Causality AssessmentYesYes—Not verified—4
define.xml for RWE SubmissionsYesYespython, r, sasNot verifiedYes4
Depletion of SusceptiblesYesYes—Not verified—4
Depression Severity, Response, and Remission OutcomesYesYespython, r, saspython, r—2
Descriptive Epidemiology in RWEYesYespython, r, sasNot verifiedYes5
Descriptive StatisticsYesYespython, r, sasNot verifiedYes4
Diagnosis Phenotype Algorithm (1 IP / 2 OP, Time Window)YesYespython, r, sasNot verifiedYes4
Diagnosis Position, Type, and Qualifiers on ClaimsYesYespython, rNot verifiedYes5
Diagnostic Accuracy StudyYesYespython, r, sasNot verifiedYes6
Difference-in-Differences with Staggered AdoptionYesYespython, r, sasNot verifiedYes5
Direct StandardizationYesYespython, r, sasNot verifiedYes3
Discounting of Costs and Effects in Economic EvaluationYesYespython, r, sasNot verifiedYes4
Discrete-Event Simulation Using RWE InputsYesYespython, r, sasNot verifiedYes4
Disease RegistryYesYespython, r, sasNot verifiedYes4
Disease Risk ScoresYesYespython, r, sasNot verifiedYes4
Disproportionality Analysis (PRR, ROR, IC, EBGM)YesYespython, r, sasNot verifiedYes7
Distributional Cost-Effectiveness AnalysisYesYespython, rNot verifiedYes4
Dose-Response and Exposure-Response Modeling in RWEYesYespython, r, sasNot verifiedYes4
Dose Titration / Up-Titration to Target DoseYesYespython, r, sasNot verifiedYes5
Drug-Drug Interaction StudiesYesYespython, r, saspython, r—2
Drug Utilization StudyYesYespython, r, sasNot verifiedYes3
Dynamic Transmission Modeling for Economic EvaluationYesYespython, rpython, r—2
E-value Sensitivity AnalysisYesYespython, r, sasNot verifiedYes5
ECOG Performance Status ScoreYesYespython, r, sasNot verified—3
Ecological (Aggregate) StudyYesYespython, r, sasNot verifiedYes4
Economic Perspective and Opportunity CostYesYespython, rpython, r—2
Effect Modification and Interaction on Additive and Multiplicative ScalesYesYespython, r, saspython, r—1
EHR Data Provenance and Source TraceabilityYesYespythonNot verifiedYes5
EHR Data Quality Dimensions for RWEYesYespython, rNot verifiedYes4
EHR-Embedded Pragmatic Trial with Point-of-Care RandomizationYesYespython, r, sasNot verifiedYes5
EHR Phenotyping AlgorithmsYesYespython, r, sasNot verifiedYes6
EHR-Based StudyYesYespython, r, sasNot verifiedYes4
Elixhauser Comorbidity Measures / IndexYesYespython, r, sasNot verifiedYes4
Empirical Calibration with Negative ControlsYesYespython, r, sasNot verifiedYes4
Endpoint Adjudication and Chart ReviewYesYespython, r, sasNot verifiedYes5
Equivalence and Non-Inferiority TestingYesYespython, r, sasNot verifiedYes3
ERISA and Self-Insured Employer Health Plans in RWEYesYes—Not verified—3
eSource, EDC, and Source Data VerificationYesYespython, r, sasNot verifiedYes5
Estimand-to-Analysis TraceabilityYesYespython, rNot verifiedYes5
Estimands (ATE/ATT) and Intercurrent Events in RWEYesYespython, r, sasNot verifiedYes5
Exact and Penalized-Likelihood Methods for Sparse DataYesYespython, r, sasNot verifiedYes4
Exposure Episode ConstructionYesYespython, r, sasNot verifiedYes3
Exposure Lag, Induction, and Latency WindowsYesYespython, r, sasNot verifiedYes3
External Adjustment and Validation-Substudy Bias CorrectionYesYespython, r, sasNot verifiedYes4
F1 Score, Precision, and RecallYesYespython, r, sasNot verifiedYes5
Federated and Distributed Network AnalysisYesYespython, r, sasNot verifiedYes3
FHIR and Healthcare Interoperability for RWEYesYespython, rNot verifiedYes2
Financial Toxicity and Catastrophic Health ExpenditureYesYespython, rpython, r—2
Firth Penalized RegressionYesYespython, r, sasNot verifiedYes4
Fisher's Exact TestYesYespython, r, sasNot verifiedYes4
Fit-for-Purpose Data AssessmentYesYespython, r, sasNot verifiedYes5
Flatiron Health Clinico-Genomic DatabaseYesYespython, r, sasNot verifiedYes4
Formulary Restriction and Step-Therapy Natural ExperimentsYesYespython, r, sasNot verifiedYes5
Functional Status, Disability, and Symptom-Burden OutcomesYesYespython, r, saspython, r—2
G-Computation and the Parametric G-FormulaYesYespython, r, sasNot verifiedYes3
G-Estimation of Structural Nested ModelsYesYespython, r, sasNot verifiedYes4
Gamma Distribution for Cost and Skewed OutcomesYesYespython, r, sasNot verifiedYes4
GEE Population-Average (Marginal) ModelsYesYespython, r, sasNot verifiedYes5
Generalizability, Transportability, and External ValidityYesYespython, r, sasNot verifiedYes5
Generalized Linear Models (GLM)YesYespython, r, sasNot verifiedYes4
Generalized Propensity Scores for Continuous ExposuresYesYespython, r, sasNot verifiedYes2
Gleason Score / ISUP Grade Group in Prostate Cancer RWEYesYespython, r, sasNot verifiedYes7
Glycemic-Control Outcomes from HbA1c and Glucose DataYesYespython, r, saspython, r—2
Grace Period and Permissible Gap RulesYesYespython, r, sasNot verifiedYes4
Group-Based Trajectory Models and Latent Class AnalysisYesYespython, r, sasNot verifiedYes2
The Hazard Ratio as an Effect MeasureYesYespython, r, sasNot verifiedYes4
HCPCS Level II Codes and J-CodesYesYespython, rNot verifiedYes4
Healthcare Resource Utilization (HCRU)YesYespython, r, sasNot verifiedYes4
Health-Economic Model Verification, Calibration, and ValidationYesYespython, rpython, r—2
Health Economic Modeling Methods Using RWEYesYespython, rNot verifiedYes5
Health Equity-Stratified Analysis in RWEYesYespython, r, sasNot verifiedYes4
Healthcare Costs (PPPM, PPPY, PMPM)YesYespython, python, r, sasNot verifiedYes5
Healthy Adherer BiasYesYespythonNot verifiedYes4
Healthy User BiasYesYespython, r, sasNot verifiedYes4
Heart-Failure Hospitalization and Worsening-Heart-Failure EndpointsYesYespython, r, saspython, r—1
High-Dimensional Propensity Score (hdPS)YesYespython, r, sasNot verifiedYes4
HIPAA De-identification and Limited Data SetsYesYespython, rNot verifiedYes7
Hospitalization and Transfer CollapseYesYespython, r, sasNot verifiedYes3
Health-Related Quality of Life (HRQoL) MeasurementYesYespython, r, sasNot verifiedYes3
Hybrid Effectiveness-Implementation StudiesYesYespython, r, saspython, r—2
ICD-10-CM Diagnosis CodesYesYespython, rNot verified—5
ICD-10-PCS Inpatient Procedure CodesYesYespython, rNot verifiedYes5
ICD-9-CM Legacy Diagnosis and Procedure CodesYesYespython, rNot verifiedYes5
ICER and Net Monetary Benefit (NMB)YesYespython, r, sasNot verifiedYes4
ICSR and Spontaneous Reporting DataYesYes—Not verified—4
Immortal Time Bias HandlingYesYespython, r, sasNot verifiedYes5
Incidence Rate CalculationYesYespython, r, sasNot verifiedYes4
Indirect Standardization, SMR, and SIRYesYespython, r, sasNot verifiedYes4
Anchored Indirect Treatment Comparison (Bucher ITC)YesYespython, r, sasNot verifiedYes4
Individual-Level Microsimulation and Semi-Markov ModelsYesYespython, rpython, r—3
Inferential Statistics FoundationsYesYespython, r, sasNot verifiedYes4
Inflammatory-Disease Activity, Remission, and Flare EndpointsYesYespython, r, saspython, r—2
Informative Presence and Observation-Process BiasYesYespython, rNot verifiedYes6
Infused Biologic Administration CaptureYesYespython, r, sasNot verifiedYes3
Inpatient Bridging of Drug ExposureYesYespython, r, sasNot verifiedYes4
Instrumental Variables in PharmacoepidemiologyYesYespython, r, sasNot verifiedYes4
Insurance, Benefit-Design, and Access-Policy ExposuresYesYespython, r, saspython, r—2
Intention-to-Treat (ITT) Analysis in RWE and Target TrialsYesYespython, r, sasNot verifiedYes5
Interference, Spillover, and ContaminationYesYespython, r, sasNot verifiedYes4
International Real-World Data SourcesYesYespython, rpython, rYes5
Interrupted Time Series (Segmented Regression)YesYespython, r, sasNot verifiedYes4
Interval-Censored Survival AnalysisYesYesr, python, sasNot verifiedYes3
Inverse-Intensity Weighting for Informative ObservationYesYespython, r, saspython, r—1
Inverse Probability of Censoring Weighting (IPCW)YesYespython, r, sasNot verifiedYes6
Individual Participant Data (IPD) Meta-AnalysisYesYespython, r, sasNot verifiedYes4
IQVIA PharMetrics PlusYesYespython, r, sasNot verifiedYes4
Joint Longitudinal-Survival ModelsYesYesr, python, sasNot verifiedYes2
Kaplan-Meier EstimatorYesYespython, r, sasNot verifiedYes3
Kidney-Function Decline and Kidney-Failure EndpointsYesYespython, r, saspython, r—2
Kruskal-Wallis TestYesYespython, r, sasNot verifiedYes4
Landmark AnalysisYesYespython, r, sasNot verifiedYes5
Lead-Time and Length Bias in RWEYesYespython, r, sasNot verifiedYes8
Left Truncation and Delayed EntryYesYespython, r, sasNot verifiedYes4
Diagnostic Likelihood RatiosYesYespython, r, sasNot verifiedYes5
Linked Multi-Database Study (Record Linkage)YesYespython, r, sasNot verifiedYes4
LLM-Assisted Data Abstraction and Evidence Work in RWEYesYespython, rNot verifiedYes3
Log-Normal Distribution and the Retransformation ProblemYesYespython, r, sasNot verifiedYes3
Log-Rank TestYesYespython, r, sasNot verifiedYes3
Logistic Regression for Binary OutcomesYesYespython, r, sasNot verifiedYes5
LOINC Laboratory and Observation CodesYesYespython, rNot verifiedYes6
Longitudinal Doubly Robust Estimation and LTMLEYesYespython, r, saspython, r—2
Longitudinal Outcomes ModelingYesYespython, r, sasNot verifiedYes4
MAIC and STC: Population-Adjusted Indirect ComparisonsYesYespython, r, sasNot verifiedYes4
Major Adverse Cardiovascular Events (MACE)YesYespython, r, sasNot verified—3
Mann-Whitney U Test (Wilcoxon Rank-Sum)YesYespython, r, sasNot verifiedYes3
Marginal Effects and Interpretation of Inferential StatisticsYesYespython, r, sasNot verifiedYes5
Marginal Structural Models and G-MethodsYesYespython, r, sasNot verifiedYes5
MarketScan (Truven/Merative)YesYespython, r, sasNot verifiedYes4
Markov Transition Probabilities from Real-World DataYesYespython, r, sasNot verifiedYes5
Maximum Likelihood EstimationYesYespython, r, sasNot verifiedYes2
MaxSPRT and Sequential Safety SurveillanceYesYespython, r, sasNot verifiedYes2
Multi-Criteria Decision Analysis (MCDA)YesYespython, rNot verifiedYes4
McNemar's Test for Paired ProportionsYesYespython, r, sasNot verifiedYes2
Meaningful Change and Responder DefinitionsYesYespython, r, saspython, r—2
Measurement Invariance, Response Shift, and Collection-Mode ComparabilityYesYespython, r, saspython, r—3
Code Crosswalks and Mappings Between Coding SystemsYesYespython, rNot verifiedYes7
Medicare Entitlement, LIS, Dual Eligibility, and Parts A-DYesYes—Not verified—6
Medicare FFS vs Medicare Advantage vs Commercial Claims DifferencesYesYespython, r, sasNot verifiedYes5
Medication Adherence in RWEYesYespython, r, sasNot verifiedYes4
Medication Order, Dispensing, Administration, and ReconciliationYesYespython, r, sasNot verifiedYes10
Meta-Analysis of Observational StudiesYesYespython, r, sasNot verifiedYes4
Meta-Analysis of Randomized Controlled TrialsYesYespython, r, sasNot verifiedYes5
Microcosting and Resource-Use ValuationYesYespython, rpython, r—2
Misclassification Bias CorrectionYesYespython, r, sasNot verifiedYes4
Missing-Data Mechanisms and AnalysisYesYespython, r, saspython, r—1
Missing Data Pattern TableYesYespython, r, sasNot verifiedYes6
Missing Data, Trimming, and Winsorization in RWEYesYespython, r, sasNot verifiedYes4
Mixed-Effects (Random-Effects) Models for Longitudinal RWEYesYespython, r, sasNot verifiedYes4
Mixed-Methods StudyYesYespython, r, sasNot verifiedYes4
Mixed Model for Repeated Measures (MMRM) in RWEYesYespython, r, sasNot verifiedYes5
Mortality Source HierarchyYesYespython, r, sasNot verifiedYes4
Mother-Infant LinkageYesYespython, r, sasNot verifiedYes3
Medication Possession Ratio (MPR)YesYespython, r, sasNot verifiedYes5
MS-DRG (Medicare Severity Diagnosis-Related Groups)YesYespython, rNot verifiedYes4
Multi-Database / Distributed Network StudyYesYespython, r, sasNot verifiedYes5
Multi-State ModelsYesYespython, r, sasNot verifiedYes3
Multilevel Network Meta-RegressionYesYespython, r, saspython, r—1
Multiple Imputation for Longitudinal RWEYesYespython, r, sasNot verifiedYes4
Multiplicity and Multiple ComparisonsYesYespython, r, sasNot verifiedYes2
Natural-History StudiesYesYespython, r, saspython, r—2
NCI Comorbidity Index for SEER-MedicareYesYes—Not verified—4
NCPDP Pharmacy Claim FieldsYesYespython, rNot verified—5
NDC (National Drug Code)YesYespython, rNot verified—6
Negative Binomial Distribution for Overdispersed CountsYesYespython, r, sasNot verifiedYes4
Negative Control ExposuresYesYespython, r, sasNot verifiedYes4
Negative Control OutcomesYesYespython, r, sasNot verifiedYes4
Nested Case-Control DesignYesYespython, r, sasNot verifiedYes4
Network Meta-AnalysisYesYesr, python, sasNot verifiedYes6
New-User (Incident-User) DesignYesYespython, r, sasNot verifiedYes5
NLP for Clinical Text in RWEYesYespython, rNot verifiedYes3
Normal Distribution and the Central Limit TheoremYesYespython, r, saspython, r—3
NPI (National Provider Identifier)YesYespython, rNot verifiedYes4
Number Needed to Treat (and Number Needed to Harm)YesYespython, r, sasNot verifiedYes5
Ordinary Least Squares (OLS) Linear RegressionYesYespython, r, sasNot verifiedYes5
OMOP CDM Method Patterns for RWEYesYespython, r, sasNot verifiedYes6
OMOP Concept Set DevelopmentYesYespython, r, sasNot verifiedYes4
OMOP CONDITION_OCCURRENCE and CONDITION_ERAYesYespython, r, sasNot verifiedYes4
OMOP Drug Exposure and Drug EraYesYespython, r, sasNot verifiedYes3
OMOP Observation PeriodYesYespython, r, sasNot verifiedYes4
OMOP Standardized Vocabularies (OHDSI/Athena)YesYespython, rNot verifiedYes4
OMOP Time-at-Risk and Cohort ExitYesYespython, r, sasNot verifiedYes4
One-Way ANOVAYesYespython, r, sasNot verifiedYes4
Optum Clinformatics Data MartYesYespython, r, sasNot verifiedYes4
Ordinal and Multinomial RegressionYesYespython, r, sasNot verifiedYes9
Outcome Algorithm ConstructionYesYespython, r, sasNot verifiedYes5
Overlap Weights and Modern Propensity WeightingYesYespython, r, sasNot verifiedYes4
Paired t-TestYesYespython, r, sasNot verifiedYes4
Parametric and Nonparametric TestsYesYespython, r, sasNot verifiedYes4
Partitioned Survival ModelYesYespython, rNot verifiedYes4
Imposed Post-Authorisation Safety Study (PASS)YesYespython, r, sasNot verifiedYes4
Voluntary (Non-Imposed) Post-Authorisation Safety StudyYesYespython, r, sasNot verifiedYes2
Patient-Generated Health Data for RWEYesYespythonNot verifiedYes4
Proportion of Days Covered (PDC)YesYespython, r, sasNot verifiedYes5
Pearson and Spearman CorrelationYesYespython, r, sasNot verifiedYes4
Pediatric Dose NormalizationYesYespython, r, sasNot verifiedYes3
Pediatric Growth and Development Endpoints in RWEYesYespython, r, sasNot verifiedYes4
Per-Protocol Analysis in RWE and Target TrialsYesYespython, r, sasNot verifiedYes5
Persistence Time to DiscontinuationYesYespython, r, sasNot verifiedYes5
Person-Time Denominator ConstructionYesYespython, r, sasNot verifiedYes4
Pharmacovigilance Risk Management Plan and Safety SpecificationYesYes—Not verifiedYes4
PICOTS Framework for RWEYesYespythonNot verifiedYes4
Place of Service (POS) CodesYesYespython, rNot verifiedYes5
Plain-Language Summaries of EvidenceYesYespython, rNot verifiedYes3
Poisson Distribution for Counts and RatesYesYespython, r, saspython, r—3
Poisson and Negative Binomial Count Models for HCRU and UtilizationYesYespython, r, sasNot verifiedYes5
Polypharmacy, Regimen Complexity, and Pharmacologic BurdenYesYespython, r, saspython, r—2
Positive and Negative Predictive ValueYesYespython, r, sasNot verifiedYes5
Pragmatic TrialYesYespython, r, sasNot verifiedYes5
Prediction Model Validation and Recalibration in RWEYesYespython, r, sasNot verifiedYes6
Predictive and Causal ML ModelsYesYespython, r, sasNot verifiedYes5
Patient Preference Study (DCE / BWS)YesYespython, r, sasNot verifiedYes4
Pregnancy Exposure WindowYesYespython, r, sasNot verifiedYes4
Pregnancy Exposure RegistryYesYespython, r, sasNot verifiedYes4
Prescription Sequence Symmetry Analysis (PSSA)YesYespython, r, sasNot verifiedYes4
Prevalence (Point, Period, and Annual) in RWEYesYespython, r, sasNot verifiedYes4
Prevalent New-User DesignYesYespython, r, sasNot verifiedYes4
Prevalent User BiasYesYespython, r, sasNot verifiedYes5
Primary Non-Adherence and Treatment InitiationYesYespython, r, sasNot verifiedYes5
Principal Stratification and Survivor Average Causal EffectYesYespython, r, sasNot verifiedYes11
PRO Instrument DevelopmentYesYespython, r, sasNot verifiedYes5
Patient-Reported Outcomes in Real-World SettingsYesYespython, r, sasNot verifiedYes5
PRO Instrument ValidationYesYespython, r, sasNot verifiedYes4
Probabilistic Sensitivity Analysis (PSA) for Health-Economic ModelsYesYespython, rNot verifiedYes4
Procedure Identification and Measurement in Claims and EHRYesYespython, r, sasNot verifiedYes3
Procedure, Device, and Radiotherapy Exposure DefinitionsYesYespython, r, saspython, r—2
Product/Exposure RegistryYesYespython, r, sasNot verifiedYes4
Propensity Score CalibrationYesYespython, r, sasNot verifiedYes4
Propensity Score Methods (PSM, IPTW)YesYespython, r, sasNot verifiedYes6
Protopathic Bias and Reverse CausationYesYespython, rNot verifiedYes3
Proximal Causal InferenceYesYespython, r, saspython, r—1
QALY Accrual from Repeated Utility MeasurementsYesYespython, rpython, r—2
QALY Utility Mapping (Crosswalking to Health-State Utilities)YesYespython, r, sasNot verifiedYes3
QC, Double Programming, and Reproducible AnalysisYesYespython, r, sasNot verifiedYes2
Ethnographic / Observational Qualitative StudyYesYespython, rNot verifiedYes5
Qualitative Interview StudyYesYespython, rNot verifiedYes5
Qualitative Evidence SynthesisYesYespython, rNot verifiedYes5
Quantile RegressionYesYespython, r, sasNot verifiedYes3
Quantitative Bias Analysis ToolkitYesYespython, r, sasNot verifiedYes4
Randomized Crossover and N-of-1 TrialsYesYespython, r, saspython, r—1
Rare Disease External ControlsYesYespython, r, sasNot verifiedYes5
Benchmarking Target-Trial Emulations Against Randomized TrialsYesYespython, r, sasNot verifiedYes3
Real-World Overall SurvivalYesYespython, r, saspython, r—2
Real-World Progression and rwPFSYesYespython, r, sasNot verifiedYes4
Real-World Tumor Response and Duration of ResponseYesYespython, r, saspython, r—2
Recurrent Events AnalysisYesYespython, python, r, sasNot verifiedYes4
Registry-Based Randomized Controlled Trial (RRCT)YesYespython, r, sasNot verifiedYes5
Regression Diagnostics and Model CheckingYesYespython, r, sasNot verifiedYes4
Regression Discontinuity DesignYesYespython, r, sasNot verifiedYes4
Regularized Regression: LASSO, Ridge, and Elastic NetYesYespython, rpython, r—2
Regulatory and HTA Readiness for RWEYesYespython, rNot verifiedYes5
Relative and Net SurvivalYesYespython, r, sasNot verifiedYes4
Restart, Rechallenge, and New-Episode RulesYesYespython, r, sasNot verifiedYes4
Restricted Mean Survival Time (RMST)YesYespython, r, sasNot verifiedYes5
Revenue (Center) CodesYesYespython, rNot verifiedYes4
Risk Evaluation Study (Post-Authorization Safety / Active Surveillance)YesYespython, r, sasNot verifiedYes4
Risk Minimization Effectiveness StudiesYesYespython, r, sasNot verifiedYes5
Risk Ratio and Risk DifferenceYesYespython, r, sasNot verifiedYes4
ROC Curves, AUC, and the c-statisticYesYespython, r, sasNot verifiedYes5
Route-of-Administration Differences in RWEYesYespython, r, sasNot verifiedYes3
RxNorm Drug TerminologyYesYes—Not verified—2
Safety Signal Case DefinitionYesYespython, r, sasNot verifiedYes4
Sample Size, Power, and Precision in RWEYesYespython, r, saspython, r—4
Scenario Analysis and Deterministic Sensitivity Analysis (DSA)YesYespython, r, sasNot verifiedYes4
Scoping ReviewYesYespython, r, sasNot verifiedYes4
Social Determinants of Health (SDoH) in RWEYesYespython, r, sasNot verifiedYes5
SDTM for Real-World Data SubmissionsYesYespython, r, sasNot verifiedYes4
Secondary Medication Non-AdherenceYesYespython, r, sasNot verifiedYes4
SEER-Medicare Linked DataYesYespython, r, sasNot verifiedYes4
Selection Bias Sensitivity AnalysisYesYespython, r, sasNot verifiedYes5
Self-Controlled Case Series (SCCS)YesYespython, r, sasNot verifiedYes4
Self-Controlled Risk Interval (SCRI) DesignYesYespython, r, sasNot verifiedYes5
Sensitivity and SpecificityYesYespython, r, sasNot verifiedYes5
Sequential Target Trial EmulationYesYes—Not verified—4
Signal Detection (Disproportionality Analysis)YesYespython, r, sasNot verifiedYes4
Signal Validation, Prioritization, and EvaluationYesYes—Not verifiedYes5
Single-Arm Trial with External (Historical) ControlYesYespython, r, sasNot verifiedYes5
SMART Designs and Adaptive Treatment StrategiesYesYespython, r, saspython, r—2
SNDS (Systeme National des Donnees de Sante)YesYespython, r, sasNot verifiedYes4
SNOMED CT Clinical TerminologyYesYespython, rNot verifiedYes4
Special Populations RWE MethodsYesYespython, r, sasNot verifiedYes4
Splines and Flexible Functional FormsYesYespython, r, sasNot verifiedYes3
Spontaneous Reporting BiasesYesYes—Not verifiedYes5
Cox Regression with Time-Dependent CovariatesYesYespython, r, sasNot verifiedYes5
Stepped-Wedge Cluster Randomized TrialsYesYespython, r, saspython, r—1
Stockpiling and Carryover RulesYesYespython, r, sasNot verifiedYes4
Structural Uncertainty in Economic ModelsYesYespython, rpython, r—3
Study Protocol and SAP Elements for RWEYesYesotherNot verifiedYes5
Study Time Windows: Baseline, Observation, and Outcome WindowsYesYespython, rNot verifiedYes4
Subgroup Analysis and Heterogeneity of Treatment EffectYesYespython, r, sasNot verified—3
Subscriber ID vs Member ID in Claims DataYesYes—Not verified—4
SUCRA in Network Meta-AnalysisYesYespython, r, sasNot verifiedYes5
Surrogate Endpoint ValidationYesYespython, r, sasNot verifiedYes5
Surveillance and Detection BiasYesYespython, rNot verifiedYes2
Survey Weights and Complex SamplingYesYespython, r, sasNot verifiedYes4
Survival Extrapolation for HTA Using RWEYesYespython, r, sasNot verifiedYes4
Switch, Add-On, and Augmentation RulesYesYespython, r, sasNot verifiedYes4
Synthetic Control MethodYesYespython, r, sasNot verifiedYes4
Systematic ReviewYesYespython, r, sasNot verifiedYes6
Target Trial EmulationYesYespythonNot verifiedYes4
Targeted Maximum Likelihood Estimation (TMLE)YesYespython, r, sasNot verifiedYes5
Test-Negative DesignYesYespython, r, sasNot verifiedYes4
Therapeutic-Area-Specific RWE Challenges — OncologyYesYespython, rNot verifiedYes5
Time-Updated Exposures and Cumulative DoseYesYespython, r, sasNot verifiedYes5
Time Zero (Index Date) AlignmentYesYespython, r, sasNot verifiedYes5
Tipping Point AnalysisYesYespython, r, sasNot verifiedYes6
Tables, Listings, and Figures (TLFs) for RWE SubmissionsYesYespython, r, sasNot verifiedYes4
Tokenization and Privacy-Preserving Record LinkageYesYespython, rNot verifiedYes4
Treatment Failure and Non-Response in RWEYesYespython, r, sasNot verifiedYes9
Treatment Patterns and Lines of Therapy (LOT)YesYespython, r, sasNot verifiedYes4
Treatment-Switching Adjustment for HTAYesYespython, r, saspython, r—2
Tree-Based Ensembles: Random Forests and Gradient BoostingYesYespython, rpython, r—2
Tree-Based Scan Statistics (TreeScan)YesYespython, r, sasNot verifiedYes3
Economic Evaluation Alongside Clinical StudiesYesYespython, rpython, r—3
TruvetaYesYespython, r, sasNot verifiedYes4
Two-Part and Hurdle Models for Semicontinuous CostsYesYespython, r, sasNot verifiedYes3
Two-Phase Validation Sampling DesignYesYespython, r, sasNot verifiedYes4
Two-Sample (Student's) t-TestYesYespython, r, sasNot verifiedYes4
UB-04 / 837I Institutional Claim FieldsYesYespython, rNot verifiedYes7
Umbrella Review (Review of Systematic Reviews)YesYespython, r, sasNot verifiedYes5
Unmeasured Confounding Probabilistic Bias AnalysisYesYespython, r, sasNot verifiedYes5
Utility Value Sets and Health-State DecrementsYesYespython, rpython, r—3
Value of Information Analysis (EVPI, EVPPI, EVSI)YesYespython, rNot verifiedYes4
Visualizations and Diagrams in Pharmacoepidemiology and RWEYesYespython, python, r, sasNot verifiedYes4
Washout / Clean / Lookback PeriodYesYespython, r, sasNot verifiedYes6
Wearable Device-Generated Data for RWEYesYespythonNot verifiedYes5
Weibull Distribution for Time-to-Event DataYesYespython, r, sasNot verifiedYes4
Weight Truncation and Population TrimmingYesYespython, r, saspython, r—1
Welch's t-Test (Unequal Variances)YesYespython, r, sasNot verifiedYes3
Wilcoxon Signed-Rank TestYesYespython, r, sasNot verifiedYes5
Win Ratio and Generalized Pairwise ComparisonsYesYespython, r, sasNot verifiedYes3
Work Productivity and Activity Impairment (WPAI)YesYespython, r, sasNot verifiedYes3
Zero-Inflated and Hurdle Count ModelsYesYespython, r, sasNot verifiedYes4