表 1.
Comparison of gait parameters on bilateral sides between pre- and post-operation (n=24, 
)
手术前后健患侧步态参数比较（n=24，
）
| 指标 Indicator |
慢速 Slow velocity |
中速 Medium velocity |
快速 Fast velocity |
|||||||||
| 健侧 Healthy side |
患侧 Affected side |
统计值 Statistic |
健侧 Healthy side |
患侧 Affected side |
统计值 Statistic |
健侧 Healthy side |
患侧 Affected side |
统计值 Statistic |
||||
| 足转角（°） | 术前 | 16.0±2.1 | 16.4±2.5 |
t=−0.588 P=0.559 |
14.0±1.8 | 14.1±2.4 |
t=−0.159 P=0.873 |
12.0±2.3 | 12.5±2.9 |
t=−0.648 P=0.520 |
||
| 术后 | 13.5±2.3 | 3.0±2.6 |
t=14.506 P<0.001 |
11.6±3.1 | 3.2±2.0 |
t=10.919 P=0.008 |
10.5±1.2 | 3.5±2.5 |
t=15.565 P<0.001 |
|||
| 统计值 |
t=3.849 P<0.001 |
t=17.816 P<0.001 |
t=3.211 P=0.002 |
t=16.732 P<0.001 |
t=2.773 P<0.001 |
t=11.273 P<0.001 |
||||||
| 步长（cm） | 术前 | 54.3±4.4 | 55.4±3.1 |
t=−0.980 P=0.332 |
58.5±2.1 | 58.6±2.1 |
t=0.000 P=1.000 |
61.7±2.1 | 61.8±1.6 |
t=0.000 P=1.000 |
||
| 术后 | 51.1±1.9 | 59.2±1.1 |
t=−17.693 P<0.001 |
50.3±2.9 | 61.5±1.0 |
t=−17.510 P<0.001 |
54.3±4.1 | 64.4±1.1 |
t=−11.410 P<0.001 |
|||
| 统计值 |
t=3.001 P=0.002 |
t=−5.832 P<0.001 |
t=10.715 P<0.001 |
t=−6.185 P<0.001 |
t=7.287 P<0.001 |
t=−7.409 P<0.001 |
||||||
| 支撑相（%） | 术前 | 64.7±0.9 | 64.4±1.3 |
t=0.910 P=0.368 |
62.7±0.8 | 62.4±1.1 |
t=1.058 P=0.296 |
61.6±0.9 | 61.3±0.6 |
t=1.330 P=0.190 |
||
| 术后 | 62.5±5.9 | 65.1±5.6 |
t=−1.533 P=0.132 |
62.9±6.8 | 64.8±6.9 |
t=−0.941 P=0.352 |
61.7±7.2 | 63.6±7.7 |
t=−0.864 P=0.392 |
|||
| 统计值 |
t=1.767 P=0.837 |
t=−0.583 P=0.562 |
t=−0.140 P=0.889 |
t=−1.647 P=0.156 |
t=−0.066 P=0.947 |
t=−1.428 P=0.160 |
||||||
| 摆动相（%） | 术前 | 35.3±3.1 | 36.6±3.1 |
t=−1.422 P=0.162 |
37.3±0.8 | 37.6±1.1 |
t=−1.058 P=0.296 |
38.4±3.1 | 39.7±3.3 |
t=−1.377 P=0.175 |
||
| 术后 | 37.5±5.9 | 34.9±5.6 |
t=1.533 P=0.132 |
37.1±5.8 | 35.2±5.9 |
t=1.101 P=0.276 |
38.3±4.2 | 36.4±4.7 |
t=1.446 P=0.155 |
|||
| 统计值 |
t=−1.583 P=0.120 |
t=1.273 P=0.209 |
t=0.163 P=0.870 |
t=1.917 P=0.061 |
t=0.091 P=0.927 |
t=2.023 P=0.083 |
||||||
| 步态线长度（mm） | 术前 | 215.3±14.8 | 218.7±12.7 |
t=−0.836 P=0.407 |
221.6±13.0 | 221.6±13.0 |
t=−0.054 P=0.957 |
223.2±14.9 | 219.4±13.4 |
t=0.909 P=0.368 |
||
| 术后 | 204.7±22.5 | 207.1±22.5 |
t=0.467 P=0.642 |
204.6±23.5 | 204.9±22.9 |
t=−0.043 P=0.965 |
210.6±24.3 | 209.4±25.4 |
t=0.163 P=0.870 |
|||
| 统计值 |
t=2.624 P=0.012 |
t=2.153 P=0.037 |
t=3.035 P=0.004 |
t=3.041 P=0.004 |
t=2.119 P=0.039 |
t=2.170 P=0.035 |
||||||
| 单支撑线（mm） | 术前 | 114.1±15.9 | 114.1±14.1 |
t=0.000 P=1.000 |
119.8±14.4 | 119.8±11.4 |
t=0.000 P=1.000 |
131.6±13.1 | 125.0±13.1 |
t=1.709 P=0.094 |
||
| 术后 | 111.7±13.4 | 102.1±11.7 |
t=2.588 P=0.013 |
118.0±13.9 | 104.6±11.2 |
t=3.600 P=0.001 |
133.1±13.7 | 107.1±12.0 |
t=6.847 P<0.001 |
|||
| 统计值 |
t=0.553 P=0.582 |
t=3.141 P=0.003 |
t=0.480 P=0.633 |
t=4.561 P<0.001 |
t=−0.379 P=0.706 |
t=4.832 P<0.001 |
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| 最大力值1（N） | 术前 | 627.9±30.2 | 643.9±29.3 |
t=−1.824 P=0.075 |
675.5±28.4 | 687.7±23.2 |
t=−1.595 P=0.117 |
728.8±23.5 | 729.7±24.5 |
t=−0.127 P=0.899 |
||
| 术后 | 650.9±30.2 | 613.9±29.3 |
t=4.217 P<0.001 |
695.5±28.4 | 657.7±23.2 |
t=4.943 P<0.001 |
768.8±23.5 | 689.7±24.5 |
t=11.174 P<0.001 |
|||
| 统计值 |
t=−2.583 P=0.013 |
t=3.472 P=0.001 |
t=−2.388 P=0.021 |
t=4.385 P<0.001 |
t=−5.772 P<0.001 |
t=5.536 P<0.001 |
||||||
| 最大力值2（N） | 术前 | 671.4±37.4 | 684.0±6.4 |
t=−1.593 P=0.118 |
704.2±39.1 | 718.1±36.3 |
t=−1.249 P=0.218 |
696.1±32.3 | 683.4±37.4 |
t=1.233 P=0.224 |
||
| 术后 | 694.4±37.4 | 664.0±6.4 |
t=3.463 P<0.001 |
729.2±39.1 | 688.1±36.3 |
t=3.694 P<0.001 |
716.1±32.3 | 660.4±37.4 |
t=6.084 P<0.001 |
|||
| 统计值 |
t=−2.085 P=0.043 |
t=10.597 P<0.001 |
t=−2.168 P=0.035 |
t=2.802 P=0.001 |
t=−2.099 P=0.041 |
t=2.085 P=0.043 |
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