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Table 1 Demographic data for the cam-FAI, DDH W/ cam, and DDH W/O cam groups

From: Comparison of improved range of motion between cam-type femoroacetabular impingement and borderline developmental dysplasia of the hip -evaluation by virtual osteochondroplasty using computer simulation-

 

Cam-FAI (n = 15)

DDH W/ cam (n = 11)

DDH W/O cam (n = 12)

Sex (male / female)

11 / 4

1 / 10

1 / 11

Age (mean ± SD)

48.7 ± 12.5

49.9 ± 11.9

44.8 ± 15.1

BMI (mean ± SD)

23.5 ± 3.2

22.1 ± 2.5

20.4 ± 2.2

CE angle (mean ± SD)

32.3 ± 4.2

22.0 ± 1.5

21.7 ± 1.7

alpha angle (mean ± SD)

65.7 ± 7.6

63.6 ± 6.1

49.5 ± 3.6

Tönnis grade (0 / 1)

10 / 5

7 / 4

10 / 2

Crossover sign (positive/ negative)

6 / 9

2 / 9

1 / 11

  1. BMI body mass index, CE center-edge, SD standard deviation