|  | Medial | Lateral | ||
---|---|---|---|---|---|
Variable | Groups | Meniscus tears | Total/subtotal meniscectomy (%) | Meniscus tears | Total/subtotal meniscectomy (%) |
Age | ≤40 | 2525 | 825(32.7%) | 2891 | 1056(36.5%) |
 | >40 | 1043 | 299(28.7%) | 782 | 357(45.7%) |
 | χ2/P |  | χ2 = 5.489, P = 0.019* |  | χ2 = 21.652, P < 0.001* |
Gender | Female | 1243 | 391(31.5%) | 1213 | 534(44%) |
 | Male | 2325 | 733(31.5%) | 2460 | 879(35.7%) |
 | χ2/P |  | χ2 = 0.002, P = 0.965 |  | χ2 = 23.595, P < 0.001* |
Side | Left | 1734 | 523(30.2%) | 1712 | 654(38.2%) |
 | Right | 1834 | 601(32.8%) | 1961 | 759(38.7%) |
 | χ2/P |  | χ2 = 2.81, P = 0.094 |  | χ2 = 0.098, P = 0.754 |
ACL | Intact | 1480 | 441(29.8%) | 1724 | 895(51.9%) |
 | Rupture | 2088 | 683(32.7%) | 1949 | 518(26.6%) |
 | χ2/P |  | χ2 = 3.407, P = 0.065 |  | χ2 = 248.09, P < 0.001* |
Duration of complaint | 0 – 28 days | 310 | 93(30%) | 404 | 131(32.4%) |
 | 29-56 weeks | 247 | 58(23.5%) | 285 | 90(31.6%) |
 | 57 d – 1 year | 1680 | 513(30.57%) | 1773 | 675(38.1%) |
 | 1 – 2 year | 462 | 149(32.3%) | 439 | 170(38.7%) |
 | >2 years | 869 | 311(31.5%) | 772 | 347(44.9%) |
 | χ2/P |  | χ2 = 15.933, P = 0.003* |  | χ2 = 25.771, P < 0.001* |
Tear types | Longitudinal | 1624 | 504(31%) | 826 | 272(32.9%) |
 | Radial | 219 | 55(25.1%) | 585 | 168(28.7%) |
 | Oblique | 253 | 57(22.5%) | 480 | 80(16.7%) |
 | Horizontal | 408 | 83(20.3%) | 507 | 197(38.9%) |
 | Complex | 1064 | 425(39.9%) | 1275 | 696(54.6%) |
 | χ2/P |  | χ2 = 72.426, P < 0.001* |  | χ2 = 270.585, P < 0.001* |