“…A quantitative outcome of "adherence" or "compliance", as termed by the study authors, was reported in 30 studies, using four distinct measurement types: (1) A discrete self-report at one time point using a variety of phrasing of questions (n=24) 24,25,32,33,36,53,56,61,[68][69][70][71][72][73][74][75][76][77][78][79] , (2) a discrete single time point measure comparing two study groups 54,57,80 , (3) discrete measures at two times points 16,23,[81][82][83] and (4) calculated based on days of tablets remaining 28 .…”