Outcome Differences of Remnant- Preserving versus Non-Preserving Methods in Arthroscopic Anterior Cruciate Ligament Reconstruction: A Meta-analysis with Subgroup analysis

Table 2 Description of included trials: Demographics and operation overview

Author	Year	Country	Sample Size (P/S)	Mean Age (P/S)	Sex ratio (M/F)		Follow-up, Months (P/S)	Type of graft	No. of Bundles	Surgical technique	Journal name	Level of Evidence
Author	Year	Country	Sample Size (P/S)	Mean Age (P/S)	P	S	Follow-up, Months (P/S)	Type of graft	No. of Bundles	Surgical technique	Journal name	Level of Evidence
RCT
Gohil, et al. [10]	2007	Australia	24 / 25	36/31	14/10	13/12	12/12	autograft	SB	Transtibial	JBJS (Br)	Level I
Hong, et al. [11]	2012	China	45 / 45	34/28	33/12	34/11	26/26	allograft	SB	Transtibial	AJSM	Level I
Mohtadi, et al. [12]	2012	Canada	43 / 43	20/30	19/24	24/19	12/12	autograft	SB	Transtibial	CJSM	Level I
Pujol, et al. [13]	2012	France	29 / 25	31/29	16/13	17/8	12/12	autograft	SB	Out-side in	OTSR	Level I
										AM portal
										Transtibial
Zhang, et al. [5]	2014	China	27 / 24	24/25	19/4	21/5	24/25	autograft	SB	Transtibial	KSSTA	Level I
Observation study
Qi, et al. [14]	2010	China	37 / 59	24/28	26/11	35/24	15/15	allograft	SB	Out-side in	CJRRS	Level II
Park, et al. [15]	2012	South Korea	55 / 45	30/32	45/10	40/5	34/31	autograft, allograft	SB,DB	Transtibial	Arthroscopy	Level IV
Naylor, et al. [16]	2013	Canada	45 / 45	30/30	21/24	26/19	12/12	autograft	SB	Transtibial	SOST	Level II
Takazawa, et al. [17]	2013	Japan	85 / 98	24/26	124/59		33/31	autograft	SB	Transtibial	OJSM	Level III
Chen, et al. [18]	2015	China	38 / 37	29/27	27/11	25/12	12/12	autograft	SB	Transtibial	CJTER	Level III
Kondo, et al. [19]	2015	Japan	81 / 98	29/30	44/37	54/44	14/14	autograft	DB	AM portal	AJSM	Level II

P Preserved group, S Standard group, M Male, F Female, SB Single bundle, DB Double bundle, AM Anteromedial, JBJS (Br) Journal of Bone and Joint Surgery (British), AJSM The American journal of sports medicine, CJSM Clinical Jounral of Sport Medicine, OTSR Orthopaedics & traumatology, surgery & research, KSSTA Knee Surgery, Sports Traumatology, Arthroscopy, CJRRS Chinese journal of reparative and reconstructive surgery, SOST Sport-Orthopadie – Sport-Traumatologie, OJSM Orthopaedic Journal of Sports Medicine, CJTER Chinese Journal of Tissue Engineering Research

ISSN: 2234-2451