Subgroup analysis explained

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

• Post hoc analysis

References

1. Lagakos SW. NEJM. The Challenge of Subgroup Analyses — Reporting without Distorting. 20 April 2006. 354. 16. 1667–9. 16625007. 10.1056/NEJMp068070. 567177.