Table 2 hip abductor function related parameters in 19 patients wit h unilateral DDH
| Â | Affected side Mean value(SD) | Healthy side Mean value(SD) | Difference (%) | P-value |
|---|---|---|---|---|
Femoral neck-shaft angle (°) | 136.2(3.1) | 126.1(4.5) | 8 | 0.001 |
Femoral offset (mm) | 27.23(3.5) | 39.9(6.5) | −31.8 | 0.001 |
Height of the center of femoral head (mm) | 52(8.7) | 52.2(5.5) | −0.3 | 0.940 |
Hip abductor moment arm (mm) | 34.89(6.5) | 44.8(7.9) | −22.3 | 0.010 |
The length of gluteus medius muscle (mm) | 135.6(10.3) | 145.5(9.6) | −6.8 | 0.001 |
The angle of gluteus medius activation(°) | 26.9(5.8) | 12.4(2.8) | 116.8 | 0.002 |