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Table 4 Comparison of measurements in the DDH group according to the degree of dysplasia

From: Contemplate iliosacral screw in patients with developmental dysplasia of the hip

 

Dysplastic group (n:55)

Type A (n:39)

Type B(n:21)

Type C(n:14)

P*

S1 Minimum cross-sectional area (mm2)

391.8 ± 95.5

361.7 ± 71

382 ± 47.73

365.1 ± 42.66

0.311

S1 Maximum iliosacral screw length (mm)

86.10 ± 7.21

83.12 ± 8.79

78.92 ± 8.11

84.40 ± 4.23

0.652

S1 Axial angulation (degree)

17.6 ± 6.81

23.46 ± 8.58

21.36 ± 7.63

19.7 ± 6.86

0.656

S1 Coronal angulation (degree)

16.11 ± 5.55

19.74 ± 4.12

17.52 ± 5.87

15.62 ± 6.63

0.332

S2 Minimum cross-sectional area (mm2)

197 ± 57.74

191.48 ± 59.2

193.07 ± 67.2

160 ± 35.5

0.498

S2 Maximum iliosacral screw length (mm)

76.7 ± 8.68

78.89 ± 9.13

75.4 ± 8.01

79.9 ± 8.48

0.620

S2 Axial angulation (degree)

7.68 ± 5.32

8.37 ± 4.43

9.42 ± 3.44

6.05 ± 6.08

0.441

S2 Coronal angulation (degree)

7.46 ± 2.74

7.88 ± 2.78

7.75 ± 4.19

8.15 ± 6.88

0.378

  1. *One way Anova Turkey test