|  | Stage 1 | Stage 2 | Stage 3 | P-value | Post hoc multiple comparison | ||
---|---|---|---|---|---|---|---|---|
 |  | 1 versus 2 | 2 versus 3 | 1 versus 3 | ||||
Medial gap (mm) | 0° | 9.3 ± 1.2 | 9.0 ± 1.3 | 12.5 ± 3.0 | 0.002* | 0.582 | 0.033 | 0.033 |
45° | 12.1 ± 2.7 | 14.0 ± 2.4 | 18.3 ± 5.4 | 0.026* | 0.252 | 0.118 | 0.082 | |
90° | 12.5 ± 3.3 | 13.0 ± 3.4 | 20.2 ± 6.1 | 0.048†| 0.827 | 0.083 | 0.018 | |
Lateral gap (mm) | 0° | 11.5 ± 0.8 | 10.7 ± 2.0 | 12.1 ± 1.7 | 0.119* |  |  |  |
45° | 12.9 ± 1.5 | 15.3 ± 2.4 | 16.0 ± 3.4 | 0.067* |  |  |  | |
90° | 16.3 ± 5.5 | 16.4 ± 4.1 | 18.8 ± 5.3 | 0.109* |  |  |  | |
Varus-valgus angle (°) | 0° | −3.5 ± 1.0 | −2.7 ± 2.6 | 0.8 ± 3.6 | 0.025* | 0.418 | 0.121 | 0.046 |
45° | −2.9 ± 1.9 | −2.2 ± 3.8 | 4.2 ± 7.2 | 0.042* | 0.626 | 0.171 | 0.171 | |
90° | −6.0 ± 3.3 | −5.5 ± 4.2 | 2.5 ± 6.4 | 0.049* | 0.610 | 0.074 | 0.071 | |
Anterior translation (mm) | 0° | 3.1 ± 1.2 | 4.7 ± 2.4 | 7.4 ± 6.9 | 0.227* |  |  |  |
45° | 10.6 ± 4.8 | 10.7 ± 5.3 | 19.0 ± 12.6 | 0.093* |  |  |  | |
90° | 9.8 ± 4.4 | 13.1 ± 4.1 | 21.3 ± 6.1 | 0.005* | 0.342 | 0.043 | 0.004 | |
Posterior translation (mm) | 0° | 3.4 ± 4.4 | −0.8 ± 1.2 | −0.3 ± 0.5 | 0.129†|  |  |  |
45° | 2.0 ± 2.0 | −3.9 ± 2.9 | −3.8 ± 4.8 | 0.311†|  |  |  | |
90° | 3.0 ± 0.3 | −4.4 ± 3.8 | −4.3 ± 4.4 | 0.821* |  |  |  |