Table 3 Preoperative and postoperative IKDC score
From: Factors influencing postoperative outcomes in patients with symptomatic discoid lateral meniscus
|  | Preoperative M (IQR)/N (%) †| Postoperative M (IQR)/N (%) †| Z | p |
|---|---|---|---|---|
IKDC score | 57.6 (9.7) | 87.4 (14.6) | −19.420 | 0.000* |
<  70 (poor) | 502 (100.0%) | 55 (11.0%) |  |  |
70 ~ 79 (fair) | 0(0.0%) | 84 (16.7%) |  |  |
80 ~ 89 (good) | 0(0.0%) | 164 (32.7%) |  |  |
≥ 90 (excellent) | 0(0.0%) | 199 (39.6%) |  |  |