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Table 1 Patient demographics and radiographic parameters

From: Developmental pattern of the hip in patients with hereditary multiple exostoses

 

Group 1(22 patients, 44 hips)

Group 2(8 patients, 13 hips)

Gender (Male: Female)

13:9

3:5

Duration of follow up (years, range)

6.8 (4– 11)

5.4 (2– 9)

 

Initial

Last follow-up

Initial

Last follow-up

Age (years, range)

6.0 (2– 12)

12.0 (6– 19)

10.4 (8– 13)

15.5 (13– 17)

HEA (degree, range)

14.2 (3– 21.6)

17.8 (−5.7– 44)

28.7 (25.6– 35.9)

29.7 (25.9– 34)

NSA (degree, range)

149.1 (134.3– 164.8)

148.6 (145.9– 151.3)

142.6 (136– 152.3)

136.4 (131.1– 143.8)

MP (percentage, range)

14.0 (0– 28)

19.4 (16.5– 22.4)

20.7 (8.9– 32.5)

21.3 (12.1– 31.7)

  1. HEA: Hilgenreiner epiphyseal angle, NSA: Neck-shaft angle, and MP: Migration percentage.