Table 1

Recruitment and retention of trial participants included from the 144 reports

Items	Mean	Median	SD	Min	Max	Total
Number of participants randomised	652	480	928	85	8003	74 298
Number of participants analysed*	541	388	847	65	7677	61 715

*Number of participants analysed in the primary analysis of patient-reported outcomes; if multiple postbaseline assessments were used for the primary outcome, the number of participants analysed at the longest postbaseline timepoint was taken.