“…36,38,39,45,53-55 Thirteen studies (33.3%) provided sample size estimates for their primary outcome(s) of interest. 22,29,34,38,41,44,45,49-51,53,55,57 For the 22 studies (56.4%) in which it could be clearly discerned, 19,22,26,27,29,31,32,34,38-43,45-47,49,50,52,53,58 12 used the PP approach to analyze their data, 19,26,31,32,34,43,45-47,50,53,58 5 used ITT, 22,27,42,49,52 and 4 used both. 29,38,39,41 Another study reported that all participants initially enrolled completed the study.…”