Table 1.

Overview of included studies^*

Authors	Year	Journal	Procedure Date Range	Ligament	Patients enrolled (A/S)	Study Design	Country	Mean Length of Follow up (Range) months	% Follow‐up	Male/Female	Age,y, Mean (Range) (A/S)
Nau15	2002	JBJS	1996–1998	ACL	27/26	RCT	USA	24	96.23	36/17	30.87 ± 8.66/31.03 ± 8.98
Fan16	2008	CJRRS	2002–2005	ACL	27/15	Cohort	China	26.3(2243)/24.1(18–40)	100	34/8	20–52/17–40
Li17	2009	SICOT	2002–2006	PCL	15/21	RCT	China	28.8/26.4	100	30/6	20–43/18–47
Liu18	2010	SICOT	2003–2004	ACL	32/28	Cohort	China	49 (48–52)	100	45/15	32 (20–56)/36 (18–54)
Li 19	2012	EJOST	2007–2011	ACL	26/24	RCT	China	30	100	38/12	30.6(18–50)/32.6(18–50)
Pan20	2013	AOTS	2004–2006	ACL	30/32	Cohort	China	>48	100	44/18	33.93 ± 6.34/35.88 ± 11.30
Xu21	2014	AOTS	2006–2008	PCL	16/19	Cohort	China	51(46–57)	100	17/18	29.1 ± 5.7/ 28.6 ± 6.8
Hamido2	2015	OTSR	2007–2008	ACL	45/27	Cohort	Kuwait	59(58–62)	100	71/1	20(18–31)/24(21–35)
Chen22	2017	AJSM	2004–2007	ACL	73/38	Cohort	China	122.9 ± 11.8/120.8 ± 26.9	83	92/19	28.6 ± 8.8(17–52) /27.6 ± 9.3 (17–54)

^* A/S, Autografts/Synthetics; ACL, anterior cruciate ligament; AJSM, The American Journal of Sports Medicine; AOTS, Arch Orthop Trauma Surg; CJRRS, Chinese Journal of Reparative and Reconstructive Surgery; EJOST, Eur J Orthop Surg Traumatol; JBJS, The journal of bone and joint surgery; OTSR, Orthopedics & Traumatology: Surgery & Research; PCL, posterior cruciate ligament; SICOT, International Orthopedics.