Table 5.
Thickness of the 21 sub-regions of the knee cartilage in the three groups.
| Subregions | Baseline Group(mm) | Long-walking group(mm) | Daily group (mm) | X2 value | p-value |
|---|---|---|---|---|---|
| Condyle MP | 1.540 (1.440, 1.680) | 1.370 (1.140, 1.550) | 1.500 (1.370, 1.660) | 8.857 | 0.012* |
| Condyle MC | 1.570 (1.440, 1.680) | 1.370 (1.200, 1.630) | 1.570 (1.420, 1.710) | 18.067 | <0.001* |
| Condyle MA | 1.680 (1.580, 1.760) | 1.620 (1.510, 1.730) | 1.780 (1.670, 1.850) | 4.242 | 0.120 |
| Trochlea M | 1.590 (1.490, 1.840) | 1.520 (1.340, 1.750) | 1.690 (1.540, 1.850) | 3.231 | 0.199 |
| Trochlea C | 2.250 (1.890, 2.480) | 2.180 (2.020, 2.590) | 2.330 (2.120, 2.700) | 7.187 | 0.028* |
| Trochlea L | 1.960 (1.680, 2.160) | 1.800 (1.670, 2.130) | 2.030 (1.800, 2.210) | 1.130 | 0.568 |
| Condyle LP | 1.600 (1.490, 1.780) | 1.430 (1.390,1.690) | 1.620 (1.510, 1.730) | 7.977 | 0.019* |
| Condyle LC | 1.870 (1.530, 2.120) | 1.650 (1.470, 2.070) | 1.810 (1.720, 2.200) | 5.826 | 0.054 |
| Condyle LA | 1.510 (1.330, 1.640) | 1.420 (1.340, 1.640) | 1.540 (1.390, 1.730) | 0.087 | 0.957 |
| Facet LI | 1.810 (1.570, 1.910) | 1.710 (1.440, 2.120) | 1.730 (1.550, 2.020) | 0.261 | 0.878 |
| Facet LC | 3.050 (2.660, 3.320) | 2.700 (2.400, 3.030) | 2.970 (2.750, 3.160) | 9.478 | 0.009* |
| Facet LS | 2.080 (1.790, 2.360) | 1.800 (1.510, 2.130) | 2.030 (1.840, 2.220) | 2.923 | 0.232 |
| Facet MI | 1.720 (1.540, 1.970) | 1.780 (1.490, 1.860) | 1.840 (1.690, 1.880) | 0.087 | 0.957 |
| Facet MC | 3.370 (2.890, 3.680) | 3.170 (2.780, 3.430) | 3.510 (3.210, 3.790) | 6.132 | 0.047* |
| Facet MS | 2.480 (2.180, 2.910) | 2.020 (1.760, 2.560) | 2.400 (2.230, 2.900) | 4.945 | 0.084. |
| Plateau LP | 2.090 (2.040, 2.240) | 2.030 (1.740, 2.170) | 2.150 (2.080, 2.310) | 10.876 | 0.004* |
| Plateau LC | 2.710 (2.530, 2.800) | 2.670 (2.430, 2.820) | 2.820 (2.550, 2.970) | 9.956 | 0.007* |
| Plateau LA | 1.870 (1.680, 1.980) | 1.690 (1.610, 1.91) | 1.910 (1.820, 2.050) | 6.879 | 0.032* |
| Plateau MP | 1.620 (1.500, 1.700) | 1.440 (1.270, 1.600) | 1.590 (1.470, 1.710) | 8.989 | 0.011* |
| Plateau MC | 1.920 (1.830, 2.000) | 1.800 (1.570, 1.990) | 2.000 (1.880, 2.200) | 14.957 | 0.001* |
| Plateau MA | 1.560 (1.400, 1.650) | 1.440 (1.330, 1.560) | 1.540 (1.460, 1.710) | 5.689 | 0.058 |
The values are expressed as median (P25, P75) and compared using X2 and corresponding p values (n = 23). * Indicates statistical significance.