Subgroup analysis Subgroup analysis refers to repeating the analysis of a study within subgroups of subjects defined by a subgrouping variable. For example: smoking status defining two subgroups: smokers and non-smokers).[1] See also[edit] Post hoc analysis References[edit] ^ Lagakos SW (20 April 2006). "The Challenge of Subgroup Analyses — Reporting without Distorting". NEJM. 354 (16): 1667–9. doi:10.1056/NEJMp068070. PMID 16625007. S2CID 567177. This statistics-related article is a stub. You can help Wikipedia by expanding it.vte This article related to health informatics is a stub. You can help Wikipedia by expanding it.vte