“…Timing of outcome assessments ranged from 3 to 14 days after surgery for all outcomes. Eleven studies assessed their outcomes on only one time point, of which two [ 10 , 16 ] within the first 4 days after surgery (a), and nine [ 4 , 5 , 13 , 19 , 22 , 26 , 29 , 32 , 37 ] on day 5 or later (b). Eight studies [ 7 , 27 , 28 , 30 , 32 , 33 , 38 , 39 ] performed outcome assessments in both time frames (a, b).…”