Group theory, a cornerstone of modern algebra, provides a framework to explore the structure, symmetry, and internal operations of sets endowed with a binary operation. Central to this discipline is ...

The identification of subgroups of patients from randomized clinical trials that are of specific interest for guiding clinical decisions can be an attractive idea; however, since such trials are ...

Efforts to improve reporting clinical trial results have led to the development of guidelines such as those recommended by the CONSORT group. 3,4 Transparent and comprehensive reporting of subgroup ...