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Table 1 Background and radiographic findings in the subjects

From: Prevalence of radiographic findings of femoroacetabular impingement in the Japanese population

  Dysplastic hips (n = 38) Non-dysplastic hips (n = 49)
Mean age (years) 41.29 (20–56) 46.38 (21–56)
M/F (n) 6:32 1:48
Follow-up term (months) 123 (56–365) 152 (60–479)
CE angle (deg) 16.8 (5–20) 28.1 (21–43)
Pistol grip deformity (n) 0 0
Crossover sign (n) 9 15