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Table 1 Baseline characteristics of the patients in the acetabular dysplasia (AD) only and AD + cam-type deformity groups

From: Prevalence and characteristics of cam-type femoroacetabular deformity in 100 hips with symptomatic acetabular dysplasia: a case control study

Parameters AD only AD + cam-type deformity pvalue
No. of hips 60 40 -
Sex (men:women) (no. of hips) 3:57 5:35 0.176
Mean (SD; range) age (years) 37.2 (13.0; 14 to 60) 39.0 (11.2; 15 to 59) 0.497
Tönnis grade (0:1) (no. of hips) 23:37 10:30 0.165
Mean (SD; range) HHS 76.6 (10.3; 47 to 96) 76.3 (11.0; 43 to 96) 0.83
Mean (SD; range) BMI (kg/m2) 22.1 (3.0; 15.9 to 32.4) 22.0 (3.1; 15.9 to 31.4) 0.85
Anterior impingement test (positive:negative) (no. of hips) 25:35 30:10 0.007*
  1. *p <0.05 (chi-square test) for the difference between the groups. HHS Harris hip score; BMI body mass index; SD standard deviation.