Table 1.

Definitions of RTS and RTP in the 29 Included Studies ^a

Definition	Studies
Playing in at least 1 game of the athletes’ respective sport or the first game played after surgery	12 studies 4,8,12 –17,28 –31
The first regular season game played after surgery	3 studies 10,18,19
The first preseason or regular season game played after surgery	3 studies 2,9,20
The first regular or postseason game played after surgery	2 studies 7,35
Specification of competition level	3 studies 6,11,26
Return to training or practice	2 studies 23,32
Articles that did not use RTS or RTP	4 studies 3,21,22,27

^a RTP, return to play; RTS, return to sport.