Table 1 Baseline and preoperative characteristics of the patients
| Â | Corrective group (n = 72) | Standard group (n = 54) | P |
|---|---|---|---|
Age (year), mean ± SD | 65.6 ± 5.8 | 66.4 ± 7.7 | 0.76 |
Male, n (%) | 34 (47.2) | 28 (51.8) | 0.02 |
BMI | 24.7 (3.9) | 22.1 (4.7) | 0.04 |
Initial diagnosis, n (%) | 0.49 | ||
 Osteonecrosis of the femoral head | 57 (79.2) | 46 (85.2) |  |
 Hip osteoarthritis | 6 (8.3) | 4 (7.4) |  |
 Femoral neck fracture | 8 (11.1) | 4 (7.4) |  |
 Congenital hip dysplasia | 1 (1.4) | 0 |  |
ASA score, n (%) | 0.53 | ||
 1 | 6 (8.3) | 4 (7.4) |  |
 2 | 41 (56.9) | 30 (55.6) |  |
 3 | 25 (34.7) | 20 (37.0) |  |
CK, mean ± SD | 126 ± 36.9 | 109 ± 29.4 | 0.04 |
Myoglobin, mean ± SD | 48.0 ± 17.7 | 36.0 ± 14.7 | 0.04 |
CRP, mean ± SD | 4.8.0 ± 1.9 | 4.6 ± 2.5 | 0.39 |