Subgroup analyses: how to avoid being misled

BMJ. 2007 Jul 14;335(7610):96-7. doi: 10.1136/bmj.39265.596262.AD.

Abstract

Three simple examples from recent BMJ papers illustrate how to understand subgroup analyses and why they may be misleading

Publication types

  • Review

MeSH terms

  • Data Interpretation, Statistical*
  • Kaplan-Meier Estimate
  • Randomized Controlled Trials as Topic / statistics & numerical data*