Table 2 Longitudinal associations between the morphological parameters of PTFJ and increases in medial tibiofemoral cartilage defects
| Â | Univariable | Multivariablea |
|---|---|---|
RR (95% CI) | RR (95% CI) | |
Increase in medial tibial cartilage defects | ||
 Ave_COR_ang | 0.997 (0.992, 1.002) | 0.998 (0.991, 1.005) |
 Ave_SAG_ang | 1.002 (0.994,1.010) | 1.001 (0.993, 1.009) |
 S | 1.242 (0.950, 1.626) | 1.445 (1.025, 2.037) |
 Sτ | 1.329 (0.926, 1.836) | 1.554 (1.053, 2.294) |
 Sφ | 0.953 (0.804, 1.130) | 0.909 (0.767, 1.107) |
 Sυ | 1.056 (0.965, 1.153) | 1.008 (0.886, 1.147) |
Increase in medial femoral cartilage defects | ||
 Ave_COR_ang | 0.998 (0.993,1.004) | 0.999 (0.993,1.005) |
 Ave_SAG_ang | 0.992 (0.983,1.001) | 0.994 (0.986,1.003) |
 S | 1.005 (0.934, 1.082) | 0.993 (0.902,1.092) |
 Sτ | 1.108 (1.027,1.216) | 1.020 (0.918,1.132) |
 Sφ | 1.005 (0.855,1.181) | 0.991 (0.821, 1.196) |
 Sυ | 0.970 (0.865, 1.087) | 1.016 (0.918, 1.194) |