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March 23, 2026Journal of Epidemiology and Population HealthOpen Access

Transportability in healthcare research: A review of practical applications and statistical methods

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Authors

CLClaire LeboucherSBSylvaine BarbierCFClément François

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Overview

This review identifies statistical methods for applying study results across different populations, indicating a need for better guidance.

Key Points

  • The review aims to identify statistical methods for assessing the transportability of study results to various real-world populations.
  • Performed a literature review following PRISMA guidelines.
  • Searched MEDLINE and Embase for relevant articles until October 2023.
  • Included articles applying statistical methods for transporting evidence from RCTs and RWD.
  • Excluded studies that focused solely on methodological aspects without practical examples.
  • Identified 441 records, with 13 selected for analysis.
  • Ten studies used Inverse Odds of Sampling Weights (IOSW), while others employed Inverse Probability Weighting (IPW), G-computation, or standardization.
  • Transportability methods primarily applied within the same country, with limited cross-country implementations.

Cite This Study

Leboucher et al. (2026) studied this question.

synapsesocial.com/papers/69c0df0bfddb9876e79c161dhttps://doi.org/10.1016/j.jeph.2026.203388
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Also Consider

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  2. 2Transporting results in an observational epidemiology setting: purposes, methods, and applied example2024 · 1 citations
  3. 3Moving From Representativeness Toward Transportability in an Era of Digital and Big Data2026 · 1 citations
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  5. 5Target Aggregate Data Adjustment Method for Transportability Analysis Utilizing Summary‐Level Data From the Target Population2025 · 3 citations