Table 2.
T1ρ values (ms) for articular cartilage on the femoral condyle
| Superficial (−30°-0°) | Deep (−30°-0°) | Superficial (0°-30°) | Deep (0°-30°) | Superficial (30°-60°) | Deep (30°-60°) | Superficial (60°-90°) | Deep (60°-90°) | |
|---|---|---|---|---|---|---|---|---|
| Meniscal tear group | 49.0 ± 4.0 | 45.2 ± 3.3 | 54.6 ± 5.3 | 46.8 ± 4.0 | 50.5 ± 3.1 | 52.2 ± 3.6 | 45.4 ± 3.1 | 46.2 ± 3.4 |
| Control group | 45.1 ± 2.1 | 39.6 ± 5.0 | 47.4 ± 5.7 | 40.7 ± 6.3 | 47.1 ± 5.7 | 47.8 ± 7.6 | 42.5 ± 5.8 | 42.9 ± 6.4 |
| P-value | <0.05 | <0.05 | <0.05 | <0.05 | <0.05 | 0.08 | 0.29 | 0.15 |
| Comparison between the OA severity groups | ||||||||
| Normal (n = 12) | 47.7 ± 3.8 | 47.1 ± 4.0 | 53.2 ± 6.3 | 46.1 ± 4.2 | 49.8 ± 3.5 | 51.9 ± 3.5 | 45.0 ± 4.0 | 46.3 ± 4.2 |
| Mild OA (n = 10) | 48.2 ± 3.3 | 48.9 ± 4.2 | 56.0 ± 4.4 | 47.1 ± 4.0 | 51.1 ± 3.5 | 52.5 ± 4.0 | 45.0 ± 2.3 | 45.8 ± 2.5 |
| P-value | 0.88 | 0.72 | 0.18 | 0.87 | 0.62 | 0.84 | 0.87 | 0.71 |
| Comparison between genders | ||||||||
| Male (n = 15) | 47.7 ± 3.7 | 45.3 ± 3.5 | 54.6 ± 5.2 | 46.9 ± 4.1 | 50.1 ± 3.5 | 52.6 ± 4.2 | 46.0 ± 3.6 | 46.3 ± 4.1 |
| Female (n = 7) | 48.2 ± 4.5 | 46.7 ± 4.1 | 54.7 ± 6.0 | 46.8 ± 4.0 | 51.4 ± 2.5 | 51.5 ± 2.4 | 44.0 ± 1.9 | 46.2 ± 2.0 |
| P-value | 0.25 | 0.32 | 0.33 | 0.80 | 0.29 | 0.53 | 0.32 | 1.00 |