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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

ParametersHealthy Controls, N = 55hipsDysplastic, N = 48hips
Crow I
Dysplastic, N = 20hips
Crow II
Dysplastic, N = 12hips
Crow III
P †
Agea (yrs.)55.8 ± 6.759.9 ± 8.855.1 ± 11.555.6 ± 15.60.245
Sex(no.)    0.107
 Male15645 
 Female4023157 
Side(no.)    0.001‡
 Right5528147 
 Left02065 
Heighta (cm)158.8 ± 7.2159.5 ± 6.2160.1 ± 6.0157.8 ± 3.50.902
Weighta (kg)60.1 ± 6.358.7 ± 8.459.2 ± 6.058.8 ± 3.70.933
BMIa (kg/m2)23.8 ± 2.123.1 ± 3.223.1 ± 2.223.6 ± 1.40.810
Pelvic widtha (cm)274.1 ± 14.8267.4 ± 17.0270.4 ± 17.2263.6 ± 16.40.084
Pelvic heighta (cm)198.9 ± 9.8199.5 ± 11.8195.9 ± 11.2194.1 ± 9.20.322
Pelvic deptha (cm)133.1 ± 10.2133.5 ± 9.9132.5 ± 8.9129.9 ± 6.40.706
  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