Table 4 Results of subgroup analysis
| Â | Remnant bundle | Remnant fibers | ||||||
|---|---|---|---|---|---|---|---|---|
MD/RR | 95% CI | Heterogeneity (P/I2) | P value | MD/RR | 95% CI | Heterogeneity (P/I2) | P value | |
Primary outcomes | ||||||||
 Subjective IKDC | MD −0.59 | [−2.69, 1.50] | 0.76/0% | 0.58 | MD 2.40 | [−4.44, 9.24] | – | 0.49 |
 Lysholm score | MD −0.42 | [−3.82, 2.98] | 0.92/0% | 0.81 | MD 2.61 | [1.27, 3.96] | 0.49/0% | < 0.01 |
 Complication | RR 1.25 | [0.57, 2.73] | 0.61/0% | 0.58 | RR 0.85 | [0.51, 1.42] | 0.04/70% | 0.54 |
Secondary outcomes | ||||||||
 Pivot shift test | RR 1.05 | [0.85, 1.29] | 0.34/0% | 0.63 | RR 1.07 | [0.97, 1.18] | 0.87/0% | 0.16 |
 Lachman test | RR 1.08 | [0.70, 1.66] | – | 0.74 | RR 1.02 | [0.86, 1.22] | – | 0.81 |
 Side-to-side difference | MD −1.50 | [−1.82, −1.18] | – | < 0.01 | MD −0.45 | [−0.64, −0.26] | 0.39/0% | < 0.01 |
 Overall IKDC | RR 1.07 | [0.86, 1.32] | – | 0.55 | RR 1.04 | [0.96, 1.14] | 0.28/45% | 0.35 |