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Table 1 Details of patients

From: Primary stability of calcar-guided short-stem total hip arthroplasty in the treatment of osteonecrosis of the femoral head: migration analysis using EBRA-FCA

Parameters Results
Number of hips (n) 45
Gender (male/female) 23/22
Mean age (years) (range) 61.1 (19.5–80.5)
Mean BMI (kg/m2) (SD) 28.1 (5.1)
Mean weight (kg) (SD) 86.0 (21.0)
Mean height (m) (SD) 174.2 (11.2)
Etiology of ONFH (n) (%)  
 Posttraumatic 5 (12.5)
 Corticosteroid 3 (7.5)
 Nicotine abuse 3 (7.5)
 Alcohol abuse 1 (2.5)
 Diabetes mellitus 1 (2.5)
 Epiphysiolysis capitis femoris 1 (2.5)
 Underlying condition unknown 26 (65)
ARCO classification (n) (%)  
 ARCO III 6 (13.3)
 ARCO IV 39 (86.7)
Dorr type (n) (%)  
 Dorr A 30 (66.7)
 Dorr B 15 (33.3)