From: Substantive molecular and histological changes within the meniscus with tears
 | Group A (normal meniscus) | Group B (meniscal tear) | Group C (meniscal tear and ACL tear) |
---|---|---|---|
All patients | |||
 Males | 4 | 3 | 4 |
 Females | 2 | 4 | 3 |
 Total | 6 | 7 | 7 |
 Mean age (range) (years) | 21.5 (16–26) | 22.4 (16–38) | 27.4 (17–34) |
 BMI (range) (kg/m2) | 20.8 (18.5–22.5) | 22.7 (19.6–25.3) | 23.3 (20.6–26.7) |
 Time interval from injury to surgery (months) | NA | 12.3 (3–24) | 11.7 (3–18) |
Outerbridge classification system | |||
 Grade 0 | 4 | 1 | 1 |
 Grade I | 2 | 5 | 3 |
 Grade II | 0 | 1 | 3 |
Type of meniscal tear | |||
 Radial | NA | 2 | 3 |
 Flap | NA | 3 | 1 |
 Longitudinal and flap | NA | 1 | 2 |
 Horizontal and flap | NA | 1 | 1 |
Location of meniscal tear | |||
 Medial posterior horn | NA | 3 | 2 |
 Lateral posterior horn | NA | 1 | 2 |
 Medial middle portion | NA | 0 | 2 |
 Lateral middle portion | NA | 1 | 0 |
 Medial posterior horn and middle portion | NA | 2 | 1 |