Combined medial patellofemoral ligament and medial patellotibial ligament reconstruction in recurrent patellar instability: A systematic review and meta-analysis

Table 2 Description of eligible studies evaluating combined medial patellofemoral and patellotibial ligament reconstruction in recurrent patellar dislocation regarding Caton–Deschamps Index, Tibial tuberosity-trochlear groove distance, Kujala score, and Cincinnati

ID	Ref.	Year1	Type of study	Country	N	Mean age	Male/female	Caton–deschamps index			TT–TG distance, mm			Kujala score			Cincinnati
								Preop2	12 mo3	24 mo4	Preop	12 mo3	24 mo4	Preop	12 mo3	24 mo4	Preop	12 mo3	24 mo4
1	Maffulli et al[24]	2020	Prospective cohort	Italy	34	26.5 ± 10.7	21:8							47 ± 17		82 ± 175	51 ± 22		90 ± 19
2	Yang et al[15]	2019	Prospective	China	58	22.6 ± 4.9	21:8	1.41 ± 0.21	1.32 ± 0.17	1.31 ± 0.17	21.5 ± 0.6	20.2 ± 1.5	19.9 ± 1.7	55.1 ± 15.2	82.6 ± 14.9	89.5 ± 10.2
3	Hetsroni et al[10]	2019	-	Israel	20	18 ± 2	21:8							54.9 ± 15.2		86.4 ± 12.56
4	Sadigursky et al[19]	2017	Case series	Brazil	7	11.28 ± 1.49	21:8							42.57 ± 8.9	88.57 ± 5.09
5	Sobhy et al[22]	2013	Prospective	Egypt	29	20.1 ± 3	21:8							36.6 ± 6		90.6 ± 7	50 ± 7.1		88 ± 6

¹Year of publication.

²Preoperative.

³12-mo follow-up.

⁴24 & > 24-mo follow-up.

⁵Postoperative (the mean follow-up was 43 ± 17).

⁶Postoperative (the mean follow-up was 43 ± 17).