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Table 1 Demographics

From: Preventing postoperative prosthetic joint dislocation by repairing obturator externus in total hip arthroplasty performed via the posterior approach

AVE ± SD Repair group
(n = 94)
Non-repair group
(n = 94)
p-value
Gender (F:M) 76: 18 77: 17 0.851a
Age at surgery (years) 62 ± 10 62 ± 11 0.897b
BMI (kg/m2) 23.1 ± 3.6 23.1 ± 4.4 0.997b
Surgery Side (R:L) 41: 53 54: 40 0.080a
Primary Diagnosis
 Primary OA 25 25  
 Secondary OA 51 57 0.888c
 Osteonecrosis 15 10  
 Dialysis arthropathy 2 2  
 Rheumatoid arthritis 1 0  
Dislocation 0 1
  1. n; mean ± sd. a: Fisher’s exact test b: Unpaired Student’s t-test c: Chi-square test
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