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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