Skip to main content
. 2013 Mar 20;471(12):3762–3773. doi: 10.1007/s11999-013-2918-6

Table 5.

Previously published associations between sex and hip anatomy

Study Study population Modality Association between sex and
Alpha angle Femoral version Acetabular version Lateral CEA Neck-shaft angle
Atkinson et al. [5] Australian patients undergoing hip resurfacing CT scan None
Avg F: 9°
Avg M: 8°
p = 0.387
Sex difference Avg F: 23°
Avg M: 18°
p = 0.02
None
Avg F: 128°
Avg M: 129°
p = 0.85
Buller et al. [9] Asymptomatic US patients (29–75 years old) CT scans originally obtained for vascular angiography Positive correlation for F sex: 2.6° to 1°
p = 0.018
Positive correlation for F sex: 2.79° to 1°
p = 0.018
Gerhardt et al. [17] Asymptomatic US professional soccer players Pelvic radiographs Avg F: 52.9°
Avg M: 65.6°
Laborie et al. [29] General population of 17- to 20-year-olds in Norway Pelvic radiographs 10% of F with one or more cam-type findings, 35% of M with one or more cam-type findings p < 0.001
Nakahara et al. [37] Asymptomatic elderly Japanese CT scan F had smaller alpha angles 7% of F and 25% of M with alpha angle > 55° Sex difference Avg F: 25.2°
Avg M: 20.3°
p = 0.021
Sex difference Avg F: 21.3°
Avg M: 17.5°
p = 0.023
Sex difference Avg F: 34.7°
Avg M: 37.9°
p = 0.043
None
Avg F: 125.5°
Avg M: 124.3°
p = 0.347
Reikeras et al. [46] Cadaveric study in Norway Direct bone measurement and radiographs No difference between M and F
Sutter et al. [52] Swiss patients with FAI compared to asymptomatic volunteers MRI Avg F: 16° Avg M: 10°
p < 0.001
Current study Swiss patients undergoing hip MR arthrography for any reason MR arthrography and pelvic radiographs Stronger association; explains 23% of variance
Avg F: 58°
Avg M: 70°
p < 0.001
Weak association; explains 7% of variance
Avg F: 20°
Avg M: 15°
p = 0.008
Weak association; explains 4% of variance
Avg F: 17°
Avg M: 14°
p = 0.038
Weak association; explains 4% of variance
Avg F: 27°
Avg M: 31°
p = 0.039
None
Avg F: 131°
Avg M: 129°
p = 0.125

CEA = center-edge angle; FAI = femoroacetabular impingement; avg = average; F = female; M = male.