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

Table 1 Characteristics of the included studies

Sl. No	Ref.	Publication date	Publication journal	Literature search date	No. of studies included
1	Chahal et al[32], 2012	June 14, 2012	Arthroscopy: The Journal of Arthroscopic and Related Surgery	December 30, 2011	5
2	Moraes et al[31], 2013	December 23, 2013	Cochrane Database of Systematic Reviews	March 25, 2013	19
3	Zhang et al[30], 2013	July 12, 2013	PLoS One	April 20, 2013	7
4	Li et al[33], 2014	June 7, 2014	Arthroscopy: The Journal of Arthroscopic and Related Surgery	May 1, 2013	7
5	Zhao et al[29], 2014	September 30, 2014	Arthroscopy: The Journal of Arthroscopic and Related Surgery	September, 2013	8
6	Warth et al[35], 2014	November 13, 2014	Arthroscopy: The Journal of Arthroscopic and Related Surgery	September, 2013	11
7	Vavken et al[36], 2015	March 12, 2015	The American Journal of Sports Medicine	August 1, 2014	13
8	Cai et al[38], 2015	October 8, 2015	Journal of Shoulder and Elbow Surgery	January, 2015	5
9	Xiao et al[37], 2016	October 30, 2016	International Journal of Clininical and Experimental Medicine	February 1, 2016	15
10	Hurley et al[40], 2018	February 21, 2018	The American Journal of Sports Medicine	March 24, 2017	18
11	Han et al[39], 2019	June 20, 2019	Journal of Orthopaedic Surgery and Research	September, 2016	13
12	Wang et al[41], 2019	July 29, 2019	PLoS One	September 15, 2018	8
13	Chen et al[42], 2019	November 19, 2019	The American Journal of Sports Medicine	December, 2017	18
14	Cavendish et al[43], 2020	May 1, 2020	Journal of Shoulder and Elbow Surgery	May 23, 2018	16
15	Hurley et al[44], 2020	July 30, 2020	The American Journal of Sports Medicine	March, 2020	13
16	Yang et al[45], 2020	October 14, 2020	Nature research	February 15, 2020	7
17	Zhao et al[46], 2020	November 18, 2020	Journal of Shoulder and Elbow Surgery	March, 2020	10
18	Ryan et al[1], 2021	March 17, 2021	Arthroscopy: The Journal of Arthroscopic and Related Surgery	June, 2020	17
19	Xu et al[48], 2021	July 13, 2021	The Orthopaedic Journal of Sports Medicine	June 20, 2020	14
20	Li et al[47], 2021	May 27, 2021	Arthroscopy: The Journal of Arthroscopic and Related Surgery	October 29, 2020