表 2.
Comparison of tripod area parameters on bilateral sides between pre- and post-operation (n=24, 
)
手术前后健患侧三足区参数比较（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 |
||||
| 前足最大压力（N） | 术前 | 53.0±6.7 | 50.2±9.2 |
t=1.180 P=0.244 |
61.1±4.6 | 58.8±3.4 |
t=1.928 P=0.060 |
60.2±6.8 | 59.3±3.1 |
t=−0.577 P=0.566 |
||
| 术后 | 62.4±3.2 | 58.6±3.7 |
t=3.725 P<0.001 |
65.7±5.6 | 61.2±5.4 |
t=2.744 P=0.008 |
64.9±2.5 | 62.7±3.9 |
t=2.278 P=0.027 |
|||
| 统计值 |
t=−6.072 P<0.001 |
t=−4.063 P<0.001 |
t=−3.044 P=0.004 |
t=−2.555 P=0.014 |
t=−3.111 P=0.003 |
t=−3.272 P=0.002 |
||||||
| 中足最大压力（N） | 术前 | 14.8±2.2 | 13.7±3.6 |
t=1.250 P=0.217 |
12.1±3.3 | 13.8±4.3 |
t=−1.504 P=0.139 |
14.7±1.2 | 13.2±3.9 |
t=1.763 P=0.085 |
||
| 术后 | 18.3±7.9 | 17.9±6.5 |
t=0.187 P=0.852 |
20.6±9.2 | 20.1±11.1 |
t=0.166 P=0.869 |
17.2±4.2 | 15.3±4.6 |
t=1.463 P=0.150 |
|||
| 统计值 |
t=−2.046 P=0.046 |
t=−2.710 P=0.009 |
t=−4.171 P<0.001 |
t=−2.538 P=0.014 |
t=−2.744 P=0.009 |
t=−2.465 P=0.017 |
||||||
| 后足最大压力（N） | 术前 | 33.0±3.2 | 34.0±2.2 |
t=−1.235 P=0.223 |
35.9±2.9 | 36.3±1.1 |
t=−0.618 P=0.539 |
43.3±3.9 | 41.8±5.7 |
t=1.042 P=0.303 |
||
| 术后 | 42.1±2.5 | 39.5±1.1 |
t=4.565 P<0.001 |
42.6±2.3 | 39.5±1.9 |
t=4.983 P<0.001 |
52.0±4.1 | 44.3±1.2 |
t=8.644 P<0.001 |
|||
| 统计值 |
t=−10.747 P<0.001 |
t=−10.723 P<0.001 |
t=−8.681 P<0.001 |
t=−6.990 P<0.001 |
t=−7.373 P<0.001 |
t=−2.058 P=0.045 |
||||||
| 前足时间最大力值（%站立时间） |
术前 | 74.1±1.3 | 74.0±1.4 |
t=0.251 P=0.803 |
74.3±1.2 | 74.3±1.1 |
t=0.000 P=1.000 |
74.7±1.1 | 74.9±4.9 |
t=−0.191 P=0.849 |
||
| 术后 | 74.4±3.6 | 73.9±3.2 |
t=0.498 P=0.621 |
74.1±4.2 | 72.9±4.9 |
t=0.892 P=0.377 |
73.4±4.1 | 72.3±4.2 |
t=0.892 P=0.377 |
|||
| 统计值 |
t=−0.375 P=0.708 |
t=0.137 P=0.891 |
t=0.219 P=0.827 |
t=1.336 P=0.187 |
t=1.468 P=0.148 |
t=1.932 P=0.059 |
||||||
| 中足时间最大力值（%站立时间） | 术前 | 44.3±9.1 | 46.4±9.5 |
t=−0.766 P=0.448 |
43.6±7.9 | 45.4±6.5 |
t=−0.844 P=0.403 |
32.7±9.5 | 35.1±5.4 |
t=−1.053 P=0.298 |
||
| 术后 | 50.7±5.2 | 54.4±3.5 |
t=−2.831 P=0.007 |
52.3±3.5 | 58.3±2.1 |
t=−7.050 P<0.001 |
46.8±4.3 | 49.6±3.7 |
t=−2.367 P=0.022 |
|||
| 统计值 |
t=−2.293 P=0.005 |
t=−3.789 P<0.001 |
t=−4.828 P<0.001 |
t=−9.056 P<0.001 |
t=−6.484 P<0.001 |
t=−10.623 P<0.001 |
||||||
| 后足时间最大力值（%站立时间） | 术前 | 25.1±1.9 | 25.6±1.9 |
t=−0.892 P=0.376 |
24.1±1.2 | 25.6±1.1 |
t=−1.473 P=0.148 |
21.7±3.1 | 22.7±3.7 |
t=−0.994 P=0.326 |
||
| 术后 | 24.4±2.0 | 26.3±1.4 |
t=−3.732 P=0.001 |
23.5±2.6 | 26.0±0.7 |
t=−6.234 P<0.001 |
21.8±1.3 | 25.4±1.7 |
t=−8.067 P<0.001 |
|||
| 统计值 |
t=1.216 P=0.229 |
t=−1.422 P=0.162 |
t=1.004 P=0.320 |
t=−1.471 P=0.148 |
t=−0.242 P=0.887 |
t=−0.824 P=0.413 |
||||||
| 前足接触时间 （%站立时间） |
术前 | 90.6±1.5 | 90.7±1.3 |
t=−0.242 P=0.810 |
89.7±4.3 | 90.7±4.5 |
t=−0.771 P=0.445 |
90.2±5.7 | 88.5±5.2 |
t=1.057 P=0.296 |
||
| 术后 | 88.5±0.9 | 91.0±1.3 |
t=−7.583 P<0.001 |
89.5±1.3 | 91.8±1.1 |
t=−6.477 P<0.001 |
87.7±1.2 | 90.9±1.3 |
t=−8.674 P<0.001 |
|||
| 统计值 |
t=0.274 P=0.785 |
t=−0.782 P=0.437 |
t=0.213 P=0.832 |
t=−1.138 P=0.261 |
t=1.234 P=0.223 |
t=−1.253 P=0.217 |
||||||
| 中足接触时间 （%站立时间） |
术前 | 77.7±4.3 | 77.0±4.4 |
t=0.545 P=0.587 |
76.3±4.1 | 76.9±4.3 |
t=−0.484 P=0.630 |
72.4±9.3 | 73.6±9.1 |
t=−0.442 P=0.660 |
||
| 术后 | 75.9±2.5 | 78.5±2.1 |
t=−3.819 P<0.001 |
75.5±1.8 | 77.9±2.9 |
t=−3.372 P=0.002 |
70.0±3.4 | 73.1±1.3 |
t=−4.084 P<0.001 |
|||
| 统计值 |
t=1.736 P=0.089 |
t=−1.476 P=0.146 |
t=0.856 P=0.395 |
t=−0.924 P=0.359 |
t=1.162 P=0.251 |
t=0.260 P=0.795 |
||||||
| 后足接触时间 （%站立时间） |
术前 | 61.5±6.3 | 60.9±6.1 |
t=0.328 P=0.744 |
58.6±6.4 | 59.9±6.9 |
t=−0.662 P=0.510 |
52.5±5.8 | 53.7±5.4 |
t=−0.726 P=0.471 |
||
| 术后 | 59.8±4.6 | 61.7±4.2 |
t=−1.463 P=0.150 |
59.4±3.3 | 60.3±1.9 |
t=−1.133 P=0.263 |
54.6±3.3 | 54.0±3.8 |
t=0.571 P=0.570 |
|||
| 统计值 |
t=1.045 P=0.301 |
t=−0.518 P=0.606 |
t=−0.532 P=0.596 |
t=−0.268 P=0.789 |
t=−1.509 P=0.138 |
t=−0.217 P=0.828 |
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