How To Interpret Subgroup Analyses from Prospective Randomized Clinical Trials: What Clinicians Need To Know.

Halabi, Susan; Guo, Siyuan · Eur Urol · 2026

review · Level V

Where this comes from

Abstract

Subgroup analyses must be approached with caution. Only prespecified, well-powered analyses with formal interaction testing and validation can support strong claims; exploratory findings require confirmation. Integration of statistical rigor with clinical insight maximizes the value of subgroup analyses.

Medical subject headings