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Table 2 Results of the Coleman Methodology Score (CMS) used to assess the quality of the articles included

From: Combined medial patellofemoral and medial patellotibial reconstruction for patellar instability: a PRISMA systematic review

References Study size Follow-up N procedures Type of study Diagnostic certainty Description of surgical technique Rehabilitation and compliance Outcome criteria Outcome assessment Selection process Total
Ebied and El-Kholy [12] 4 5 0 0 5 5 10 10 11 15 65
Brown and Ahmad [13] 0 2 10 0 5 5 0 10 6 0 38
Sobhy et al. [20] 4 5 10 10 5 5 10 10 10 15 84
Hinckel et al. [22] 0 0 10 10 5 5 10 10 5 15 70
Drez et al. [27] 0 5 10 0 5 5 10 10 6 13 64
Sadigursky et al. [29] 0 5 10 10 5 5 10 10 7 13 75
Hetsroni et al. [30] 4 5 10 10 5 5 10 10 10 15 84
Yang and Zhang [28] 7 2 10 0 5 5 10 10 10 15 74
Maffulli et al. [37] 4 5 10 10 5 5 10 10 10 13 82
Maximum score possible 10 5 10 15 5 5 10 10 15 15 100
Mean ± standard deviation 2.5 ± 2.6 3.7 ± 1.9 8.8 ± 3.3 5.5 ± 5.2 5 ± 0 5 ± 0 8.8 ± 3.3 10 ± 0 8.3 ± 2.2 12.6 ± 4.8 70.6 ± 14.4