Table III.
Semi-quantitative evaluation of the medial meniscus morphology and extrusion according to the MOAKS grading system
| mJSN1 n = 43 | CL no-JSN n = 43 | mJSN2/3 n = 17 | CL no-JSN n = 17 | |
|---|---|---|---|---|
| Morphology | ||||
| Grade 0/1 | 34.9% | 62.8% | 35.3% | 52.9% |
| Grade 2–5 | 32.6% | 30.2% | 17.6% | 35.3% |
| Grade 6–7 | 32.6% | 7.0% | 47.1% | 11.8% |
| Extrusion of the meniscus body | ||||
| Grade 0 | 30.2% | 37.2% | 5.6% | 52.9% |
| Grade 1 | 20.9% | 39.5% | 17.6% | 17.6% |
| Grade 2 | 34.9% | 20.9% | 35.3% | 23.5% |
| Grade 3 | 14.0% | 2.3% | 41.1% | 5.88% |
Meniscus morphology: 1 = signal change; 2 = radial tear; 3 = horizontal tear; 4 = vertical tear; 5 = complex tear; 6 = partial maceration; 7 = complete maceration; Extrusion grades: 0: <2 mm; 1: 2–2.9 mm; 2: 3–4.9 mm; 3: >5 mm33.