Table 3 Mean change in meniscus measures from baseline to the 4-year follow-up in asymptomatic subjects without knee osteoarthritis (OA) and without risk factors for knee OA
Change from baseline to 4-year follow-up | ||||
|---|---|---|---|---|
N | Extrusion (mm) | Overlap distance (mm) | Coverage (%) | |
No meniscal tear at baseline (ipsilateral) | ||||
Medial body, mean change (SD) | ||||
Right knee | 101 | 0.27 (0.76) | −0.20 (2.36) | −0.5 (8.0) |
Left knee | 94 | 0.06 (0.60) | 0.26 (1.98) | 0.7 (7.0) |
Lateral body, mean change (SD) | ||||
Right knee | 103 | 0.00 (0.54) | 0.23 (1.46) | 0.7 (4.8) |
Left knee | 98 | 0.12 (0.75) | 0.26 (1.96) | 0.7 (6.1) |
Meniscal tear at baseline (ipsilateral) | ||||
Medial body, mean change (SD) | ||||
Right knee | 8 | 0.25 (0.89) | −0.25 (2.49) | −1.0 (8.2) |
Left knee | 7 | −0.14 (1.22) | −0.43 (1.99) | −1.4 (6.3) |
Lateral body, mean change (SD) | ||||
Right knee | 6 | 0.17 (1.17) | 0.50 (0.84) | 1.6 (3.3) |
Left knee | 3 | 0.33 (0.58) | −0.33 (1.53) | −1.5 (4.0) |