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R

Study Designs starting with R

188 of 2,041 study designs

Randomised Controlled Feasibility Trial

1 paper

Randomised Trial Cohort / Post Hoc Observational Analysis

1 paper

Randomized Clinical Trial

3 papers

Randomized Clinical Trial (Adaptive Platform Trial)

1 paper

Randomized Comparative Effectiveness Trial

1 paper

Randomized Controlled Animal Study

1 paper

Randomized Controlled Experiment

4 papers

Randomized Controlled Field Trial

1 paper

Randomized Controlled Trial

639 papers

Randomized Controlled Trial (Phase 2/3, Partially Randomised Patient-Preference Design)

1 paper

Randomized Controlled Trial (Phase 2, Long-Term Extension)

1 paper

Randomized Controlled Trial (Pooled Subgroup Analysis)

1 paper

Randomized Controlled Trial (Post Hoc Analysis)

2 papers

Randomized Controlled Trial (Prespecified Subgroup Analysis)

1 paper

Randomized Controlled Trial Protocol

1 paper

Randomized Controlled Trial (Secondary Analysis)

4 papers

Randomized Controlled Trial Subanalysis

1 paper

Randomized Controlled Trial (Subgroup Analysis)

2 papers

Randomized Controlled Trial Subgroup Analysis

2 papers

Randomized Controlled Trial Sub-Study (Observational Analysis)

1 paper

Randomized Controlled Trial (Sub-Study / Prospective)

1 paper

Randomized Controlled Trial With Long-Term Observational Follow-Up

1 paper

Randomized Controlled Trial With Observational Follow-Up

1 paper

Randomized Crossover Trial

16 papers

Randomized Crossover Trial With Longitudinal Observational Component

1 paper

Randomized Survey Study

1 paper

Rapid Review

2 papers

Rapid Scoping Review

1 paper

Rapid Systematic Review

1 paper

Rare Variant Exome Sequencing Study With Functional Validation

1 paper

Realist Review

1 paper

Real-World Case Series

1 paper

Real-World Evidence / Retrospective-Prospective Cohort Study

1 paper

Real-World Evidence Study

5 papers

Real-World Study

1 paper

Reflective Commentary

1 paper

Reflective Essay

1 paper

Reflective Essay / Narrative Review

1 paper

Reflective Essay / Personal Narrative

1 paper

Register-Based Cohort Study

3 papers

Registered Report / Cross-Sectional Survey With Experimental Task

1 paper

Registry

1 paper

Registry-Based Cohort Study

23 papers

Registry-Based Cohort Study With Nested Clinician Survey

1 paper

Registry-Based Cohort Study With Target Trial Emulation

1 paper

Registry-Based Cross-Sectional Study

1 paper

Registry-Based Observational Study

3 papers

Registry (Design Classification Approximate; Consortium Setup And Dataset Description)

1 paper

Registry / Infrastructure Report

1 paper

Registry Study

1 paper

Registry Study (Retrospective Cohort With Prospective Follow-Up)

1 paper

Registry/Surveillance Study

1 paper

Registry Survey / Activity Report

1 paper

Regulatory Case Review / Historical Analysis

1 paper

Repeated Cross-Sectional Study

7 papers

Repeated Cross-Sectional Survey

1 paper

Repeated Measures Quasi-Experimental Study

1 paper

Repeated Measures Study

1 paper

Reporting Guideline / Consensus Statement

1 paper

Research Highlight / Clinical Trial Summary

1 paper

Research Highlight / Commentary

2 papers

Research Highlight (Phase III Trial Summary)

1 paper

Research Highlight / Review Of Primary Research

1 paper

Research Letter

1 paper

Retraction

3 papers

Retraction Notice

2 papers

Retrospective Analysis Of Prospective Registry Data

1 paper

Retrospective And Prospective Cohort Study

1 paper

Retrospective Audit

1 paper

Retrospective Autopsy Cohort Study

1 paper

Retrospective Case Analysis

1 paper

Retrospective Case-Control Study

9 papers

Retrospective Case-Control Study (Test-Negative Design)

1 paper

Retrospective Case Series

29 papers

Retrospective Case Series / Consultation Record Review

1 paper

Retrospective Case Series With Literature Review

1 paper

Retrospective Chart Audit

1 paper

Retrospective Chart Review

9 papers

Retrospective Chart Review / Pilot Feasibility Study

1 paper

Retrospective Cohort

45 papers

Retrospective Cohort And Matched Case-Control Study

1 paper

Retrospective Cohort Study

784 papers

Retrospective Cohort Study (3D Simulation / Digital Modeling)

1 paper

Retrospective Cohort Study (Administrative Database Analysis)

1 paper

Retrospective Cohort Study (Derivation-Validation)

1 paper

Retrospective Cohort Study (SEER Database Analysis)

1 paper

Retrospective Cohort Study (Target Trial Emulation)

3 papers

Retrospective Cohort Study With External Validation

2 papers

Retrospective Cohort Study With Functional Validation

1 paper

Retrospective Cohort Study With In Vitro Mechanistic Experiments

1 paper

Retrospective Cohort Study With Machine Learning Prediction Models

1 paper

Retrospective Cohort Study With Mechanistic In Vitro Analysis

1 paper

Retrospective Cohort Study With Nested Case-Control

1 paper

Retrospective Cohort Study With Pharmacovigilance Disproportionality Analysis

1 paper

Retrospective Cohort Study With Propensity Score Matching

1 paper

Retrospective Cohort Study With Prospective Temporal Validation

1 paper

Retrospective Cohort Study With Prospective Transcriptomic Validation

1 paper

Retrospective Cohort Study With Prospective Validation

1 paper

Retrospective Cohort Study With Prospective Validation Cohort

1 paper

Retrospective Cohort Study With Self-Controlled Case Series

1 paper

Retrospective Cohort Study With Systematic Review And Meta-Analysis

1 paper

Retrospective Cohort Study With Tissue Microarray

1 paper

Retrospective Cohort Study With Translational Multiomic Analysis

1 paper

Retrospective Comparative Case Series

1 paper

Retrospective Comparative Cross-Sectional Study

1 paper

Retrospective Comparative Study

1 paper

Retrospective Consecutive Case Series

2 papers

Retrospective Cross-Sectional Observational Study

1 paper

Retrospective Cross-Sectional Record Review

1 paper

Retrospective Cross-Sectional Study

30 papers

Retrospective Cross-Sectional Survey Analysis

1 paper

Retrospective Cross-Sectional Survey Study

1 paper

Retrospective Database Analysis

2 papers

Retrospective Database Study

2 papers

Retrospective Descriptive Register Study

1 paper

Retrospective Descriptive Study

3 papers

Retrospective Descriptive Surveillance Study

1 paper

Retrospective Diagnostic Accuracy Study

2 papers

Retrospective Discovery With Prospective Validation Cohort Study

1 paper

Retrospective Economic Evaluation

1 paper

Retrospective Epidemiological Study

1 paper

Retrospective Genomic Analysis

1 paper

Retrospective Genomic Case-Control Study With Functional Validation

1 paper

Retrospective Health Records Review

1 paper

Retrospective Historical Case Analysis

1 paper

Retrospective Longitudinal Case Series

1 paper

Retrospective Longitudinal Cohort Study

9 papers

Retrospective Longitudinal Study

1 paper

Retrospective Matched Cohort Study

7 papers

Retrospective Medical Records Review

1 paper

Retrospective Modeling And Validation Study

1 paper

Retrospective Molecular Profiling Study

1 paper

Retrospective Multicenter Audit

1 paper

Retrospective Multicenter Case Series

1 paper

Retrospective Multicenter Cohort Study

16 papers

Retrospective Multicenter Registry Study

1 paper

Retrospective Multicenter Validation Study

1 paper

Retrospective Multicentre Cohort Study

5 papers

Retrospective Multicohort Multicentre Study

1 paper

Retrospective Multicohort Study

1 paper

Retrospective Multi-Institutional Validation Study

1 paper

Retrospective Observational Cohort Study

8 papers

Retrospective Observational Genetic Cohort Study

1 paper

Retrospective Observational Registry Study

1 paper

Retrospective Observational Study

45 papers

Retrospective Observational Study (Test-Negative Design)

1 paper

Retrospective Open Cohort Study

1 paper

Retrospective Operational Analysis

1 paper

Retrospective Pharmacovigilance Analysis

1 paper

Retrospective Pharmacovigilance Study

1 paper

Retrospective Population-Based Cohort Study

3 papers

Retrospective Population-Based Longitudinal Cohort Study

1 paper

Retrospective Population-Based Registry Study

1 paper

Retrospective Post-Hoc Analysis

1 paper

Retrospective Pre-Post Cohort Study

1 paper

Retrospective Pre-Post Quality Improvement Study

1 paper

Retrospective Quality Improvement Study

2 papers

Retrospective Registry-Based Prediction Model Study

1 paper

Retrospective Registry Study

6 papers

Retrospective Repeated Cross-Sectional Study

1 paper

Retrospective Single-Arm Pilot Study

1 paper

Retrospective Study

1 paper

Retrospective Surveillance Study

1 paper

Retrospective Survey Study

1 paper

Retrospective Target Trial Emulation

1 paper

Review

39 papers

Review Article

34 papers

Review Article / Core Curriculum

1 paper

Review Article / Roadmap

1 paper

Review / Commentary

6 papers

Review / Conceptual Framework

4 papers

Review / Editorial

1 paper

Review / Expert Opinion

2 papers

Review / Framework Paper

1 paper

Review / Meta-Analysis

1 paper

Review / Meta-Analysis (Incorporating Prospective Cohort Data)

1 paper

Review / Methodology Paper

1 paper

Review/Methods Guide

1 paper

Review / Opinion

2 papers

Review/Opinion

1 paper

Review / Opinion (Forum)

1 paper

Review Or Commentary

3 papers

Review Or Perspective

2 papers

Review Or Perspective Article

1 paper

Review / Perspective

4 papers

Review / Primer

1 paper

Review / Theoretical Framework

2 papers

Risk Prediction Model Validation Study

1 paper