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Table 1 Comparison of characteristics between DDH (Crowe I-III) patients and healthy controls

From: Relations between the Crowe classification and the 3D femoral head displacement in patients with developmental dysplasia of the hip

Parameters

Healthy Controls, N = 55hips

Dysplastic, N = 48hips

Crow I

Dysplastic, N = 20hips

Crow II

Dysplastic, N = 12hips

Crow III

P †

Agea (yrs.)

55.8 ± 6.7

59.9 ± 8.8

55.1 ± 11.5

55.6 ± 15.6

0.245

Sex(no.)

    

0.107

 Male

15

6

4

5

 

 Female

40

23

15

7

 

Side(no.)

    

0.001‡

 Right

55

28

14

7

 

 Left

0

20

6

5

 

Heighta (cm)

158.8 ± 7.2

159.5 ± 6.2

160.1 ± 6.0

157.8 ± 3.5

0.902

Weighta (kg)

60.1 ± 6.3

58.7 ± 8.4

59.2 ± 6.0

58.8 ± 3.7

0.933

BMIa (kg/m2)

23.8 ± 2.1

23.1 ± 3.2

23.1 ± 2.2

23.6 ± 1.4

0.810

Pelvic widtha (cm)

274.1 ± 14.8

267.4 ± 17.0

270.4 ± 17.2

263.6 ± 16.4

0.084

Pelvic heighta (cm)

198.9 ± 9.8

199.5 ± 11.8

195.9 ± 11.2

194.1 ± 9.2

0.322

Pelvic deptha (cm)

133.1 ± 10.2

133.5 ± 9.9

132.5 ± 8.9

129.9 ± 6.4

0.706

  1. † P values were obtained by ANOVA or chi-square test for comparisons in the DDH (Crowe I-III) patients and the healthy controls
  2. ‡ Significant difference between the DDH (Crowe I-III) patients and the healthy controls at 0.01 level
  3. aValues express mean ± SD