表 4.
Comparison of imaging parameters between 2 groups
影像学相关指标的比较
| 组别 Group |
例数 n |
外展角 Abduction |
前倾角 Anteversion |
偏心距 Eccentricity |
双下肢长度差异(mm) Limb length discrepancy(mm) |
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| 外展角(°) Abduction(°) |
外展角位于“安全区”比例(%) Proportion of abduction within safe zone(%) |
前倾角(°) Anteversion(°) |
前倾角位于“安全区”比例(%) Proportion of anteversion within safe zone(%) |
偏心距(mm) Eccentricity(mm) |
恢复率(%) Recovery rate(%) |
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| A | 64 | 38.9±2.6 | 87.1 | 21.7±4.1 | 75.7 | 34.0±4.7 | 71.4 | 3.7±1.1 | ||
| B | 90 | 39.5±0.4 | 91.3 | 16.1±2.8 | 87.4 | 39.5±2.8 | 87.4 | 2.4±2.3 | ||
| 统计值 Statistic |
t=1.973 P=0.512 |
χ2=0.759 P=0.384 |
t=10.814 P= 0.001 |
χ2=3.956 P=0.047 |
t=9.752 P=0.001 |
χ2=6.869 P=0.009 |
t=4.451 P=0.001 |
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