Table 1 Characteristics of DDH patients and healthy controls.

From: Genetic association study of common variants in TGFB1 and IL-6 with developmental dysplasia of the hip in Han Chinese population

Characteristics

Discovery (N = 1,488)

Validation (N = 2,718)

DDH patients

Healthy controls

DDH patients

Healthy controls

Number

373

1,115

691

2,027

Age, mean ± SD (months)

23.6 ± 21.4

70.3 ± 44.4

20.8 ± 15.6

66.7 ± 31.6

Male/Female

79/294

232/883

108/583

326/1,701

Acetabular dysplasia

18

 

42

 

Unilateral

12

NA

28

NA

Bilateral

6

NA

14

NA

Subluxation of the hips

82

 

131

 

Unilateral

62

NA

102

NA

Bilateral

20

NA

29

NA

Dislocation of the hips

293

 

518

 

Unilateral

186

NA

378

NA

Bilateral

87

NA

140

NA

  1. DDH: developmental dysplasia of the hips; SD: standard deviation; NA: not available.
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