Table 2 Clinical outcomes
| Â | Number of included studies | Number of included patients | MD/RR | 95% CI | Heterogeneity (P/I2) | P value |
|---|---|---|---|---|---|---|
Primary outcomes | ||||||
 Subjective IKDC | 3 | 143 | MD −0.34 | [−2.34, 1.67] | 0.68/0% | 0.74 |
 Lysholm score | 5 | 297 | MD 2.20 | [0.95, 3.45] | 0.40/1% | 0.0006 |
 Complications | 5 | 295 | RR 0.95 | [0.62, 1.46] | 0.15/41% | 0.81 |
Secondary outcomes | ||||||
 Pivot shift test | 4 | 246 | RR 1.06 | [0.97, 1.17] | 0.80/0% | 0.20 |
 Lachman test | 2 | 120 | RR 1.04 | [0.87, 1.23] | 0.81/0% | 0.69 |
 Side-to-side difference | 4 | 269 | MD −0.71 | [−0.87, −0.55] | < 0.01/91% | < 0.01 |
 Overall IKDC | 3 | 206 | RR 1.05 | [0.96, 1.14] | 0.34/8% | 0.27 |