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Table 3 Comparison of morphometric study of the patients who had performed the computed-tomographic (CT) evaluation between the ischio-femoral impingement (IFI) group and non-IFI group

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

Radiographic parameters

IFI group (n = 18)

Non-IFI group (n = 34)

P value

Femoral neck-shaft angle (°)

151.5 (138.4–162.5)

144.6 (130.6–166.3)

0.008

Sharp’s angle (°)

44.7 (31.5–60.5)

40.7 (34.0–46.4)

0.013

Center-edge angle (°)

20.9 (4.0–40.2)

28.7 (9.3–41.1)

0.010

Alpha angle (°)

73.3 (56.0–88.4)

60.4 (38.3–83.4)

<  0.001

Minimum ischio femoral distance (mm)

6.7 (2.5–9.8)

16.4 (10.2–25.2)

<  0.001