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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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