Evidence analysis on the utilization of platelet-rich plasma as an adjuvant in the repair of rotator cuff tears

Table 3 Methodological information of each study

Sl. No	Search parameters	Chahal (2012)	Moraes (2013)	Zhang (2013)	Li (2014)	Zhao (2015)	Warth (2015)	Vavken (2015)	Cai (2015)	Xiao (2016)	Hurley (2018)	Han (2019)	Wang (2019)	Chen (2019)	Cavendish (2020)	Hurley (2020)	Yang (2020)	Zhao (2021)	Ryan (2021)	Xu (2021)	Li (2021)
1	Primary study design	RCT, CCT,RCS	RCT	RCT	RCT	RCT	RCT CCT	RCT	RCT	RCTCCT	RCT	RCT	RCT	RCT	RCT	RCT	RCT	RCT	RCT	RCT	RCT
2	Level of Evidence	III	I	I	II	I	II	I	I	II	I	I	I	I	II	I	I	II	I	I	II
3	Software Used	RevMan 5.3	RevMan 5.3	RevMan 5.3	NA	RevMan 5.3	Open Meta	STATA 10	RevMan 5.3	RevMan 5.3	RevMan 5.3	RevMan 5.3	RevMan 5.3	STATA 15.1	STATA 13	R Foundation (netmeta package Version 0.9-6 in R)	RevMan 5.3	RevMan 5.3	R Foundation for Statistical Computing, Vienna, Austria	STATA 15	RevMan 5.3
4	GRADE Used	X	√	X	X	√	X	X	X	X	X	X	√	X	X	X	X	X	X	X	X
5	Sensitivity Analysis	√	√	X	√	√	√	√	X	√	X	√	√	√	X	X	X	√	X	X	√
6	Subgroup Analysis	√	√	√	X	√	√	√	√	X	√	√	√	√	√	X	√	√	√	√	X
7	Publication Bias	X	√	√	X	√	√	√	√	√	X	√	√	√	√	X	X	X	X	X	X

CCT: Controlled clinical trial; GRADE: Grading of Recommendations Assessment, Development and Evaluation system; NA: Not available; RCTs: Randomized controlled trials; RCS: Retrospective cohort study.