| Number of included studies | Number of included patients | RR | 95% CI | Heterogeneity (P/I2) | P value |
---|---|---|---|---|---|---|
Revision | 1 | 72 | 0.20 | [0.01, 4.03] | – | 0.29 |
Cyclops lesion | 4 | 223 | 1.51 | [0.84, 2.70] | 0.92/0% | 0.17 |
Arthrofibrosis | 1 | 40 | 1.00 | [0.43, 2.33] | – | 1.00 |
Impingement | 1 | 72 | 0.50 | [0.30, 0.84] | – | 0.009 |