Table 2.

Generalities, demographic data and related PEDro scores of the included studies concerning the SB graft

Author, year	Type of study	PEDro score	Knees (n)	Mean age	Time surgery to injury	Mean follow-up (months)
Ahmad et al. 2009 [51]	CS	5	20	23.00		31.00
Amin et al. 2015 [52]	RCS	6	8	22.00	9.00	24.00
Astur et al. 2015 [11]	RCT	8	30	31.06		60.00
Bitar et al. 2011 [53]	RCT	8	21	NR		24.00
Calapodopulos et al. 2016 [54]	PCS	5	22	23.10		30.00
Ellera Gomes et al. 1992 [55]	RCS	5	30	28.00	90.00	39.00
Ellera Gomes et al. 2004 [56]	PCS	6	16	26.70	1.00	60.00
Gomes et al. 2008 [57]	PCS	7	12	19.30		53.00
Goyal et al. 2013 [58]	RCS	5	32	25.00		38.00
Han et al. 2011 [59]	RCS	6	59	24.30	45.60	68.40
Hiemstra et al. 2017 [60]	RCS	5	155	25.40		24.40
Howells et al. 2012 [61]	PCS	7	155	26.00		16.00
Howells et al. 2012 [61]	PCS	7	55	26.00		16.00
Nomura et al. 2000 [62]	PCS	7	27	21.00	55.20	70.80
Nomura et al. 2006 [63]	RCS	6	12	24.80	122.40	51.00
Nomura et al. 2007 [64]	RCS	5	24	22.50		142.80
Pinheiro et al. 2018 [65]	RCS	7	16	27.10		31.20
Pinheiro et al. 2018 [65]	RCS	7	21	26.40		34.80
Raghuveer et al. 2012 [66]	PCS	7	15	29.20	141.60	42.00
Sillanpaa et al. 2008 [67]	RCS	6	18	20.20		121.20
Slenker et al. 2013 [68]	RCS	6	35	20.60	57.60	21.00
Steiner et al. 2006 [69]	CS	6	34	27.00		66.50
Vavalle et al. 2015 [70]	RCS	5	16	22.00		38.00
Wang et al. 2013 [12]	RCS	7	26	23.00		48.00
Wang et al. 2010 [71]	RCS	7	28	29.00	30.00	42.00

RCT randomized clinical trial, PCS prospective cohort study, RCS retrospective cohort study, CS case series