Open Access

Table 1

Pre-operative demographic data and per-operative data.

Parameters Patients (n = 170)
Pre-operative demographic data
Gender (%F) 120 (70.6%)
Mean age (years) 72.2 ± 8.0 [31.8–93.0]
Age (years)
 <65 30 (17.6%)
 [65–75] 77 (45.3%)
 [75–85] 46 (27%)
 ≥85 17 (10.1%)
Mean BMI (kg/m2) 27.8 ± 4.6 [17.5–48.4]
BMI (kg/m2)
 <30 110 (4.7%)
 [30–35] 35 (20.6%)
 [35–40] 14 (8.2%)
 ≥40 11 (6.5%)
Etiology
 Primitive 150 (8.2%)
 ONFH 9 (5.4%)
 Fracture sequelae (cotyle and femoral neck) 8 (4.7%)
 DDH 1 (0.6%)
 Osteochondromatosis 1 (0.6%)
 Osteochondritis 1 (0.6%)
Pre-op HHS 48.3 ± 6.0 [14.0–70.0]
Per-operative data
Approach
 Anterior 98 (58%)
 Posterior 72 (42%)
Acetabular cup size 51.1 ± 2.9 [42–60]
Head size
 22.2 mm (Cobalt-chrome) 48 (28.2%)
 28 mm (Ceramic) 122 (71.8%)

BMI = body mass index, ONFH = osteonecrosis of the femoral head, DDH = developmental dysplasia of the hip, HHS = harris hip score.

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