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Table 1 Comparison of morphometric study and body mass index between the femoro-acetabular (FAI) group and non-FAI group

From: Characteristics of hip impingement syndrome in patients with multiple hereditary exostoses

Radiographic parameters

FAI group (n = 14)

Non-FAI group (n = 88)

P value

Femoral neck-shaft angle (°)

153.9 (143.8–161.1)

142.6 (127.9–166.3)

<  0.001

Sharp’s angle (°)

45.0 (31.5–60.5)

41.5 (34.0–53.6)

0.027

Center-edge angle (°)

21.1 (4.0–41.1)

28.8 (9.3–38.8)

0.017

Alpha angle (°)

76.7 (60.7–88.4)

57.9 (38.3–83.4)

<  0.001

Body mass index (kg/m2)

23.4 (16.7–27.5)

21.4 (16.0–35.3)

0.047