Variable | Group A (n = 60) | Group B (n = 60) | Group C (n = 60) | P Value |
---|---|---|---|---|
Demographic characteristic | ||||
 Age | 66.40 ± 9.82 | 63.21 ± 10.82 | 64.38 ± 9.14 | 0.2093 |
 Female (no. [%] of patients) | 39 (65.0%) | 34 (56.7%) | 36 (60.0%) | 0.643 |
 Height | 1.60 ± 0.07 | 1.62 ± 0.06 | 1.61 ± 0.07 | 0.2636 |
 Weight | 64.12 ± 9.84 | 65.73 ± 10.15 | 66.31 ± 9.91 | 0.4611 |
 BMI | 26.11 ± 4.02 | 25.81 ± 3.87 | 26.52 ± 3.41 | 0.5868 |
Operated side (no. of patients) | Â | Â | Â | 0.420 |
 Left | 31 | 26 | 33 |  |
 Right | 29 | 34 | 27 |  |
Diagnosis (no. of patients) | Â | Â | Â | 0.849 |
 ONFH | 22 | 25 | 23 |  |
 OA | 38 | 35 | 37 |  |
ASA class (no. of patients) | Â | Â | Â | 0.734 |
 I | 11 | 13 | 12 |  |
 II | 43 | 40 | 41 |  |
 III | 6 | 7 | 7 |  |
Preoperative laboratory values | ||||
 Hemoglobin (g/L) | 120.7 ± 9.3 | 119.9 ± 10.4 | 122.4 ± 9.2 | 0.3509 |
 Reticulocyte (× 10^12/L) | 0.0676 ± 0.031 | 0.0714 ± 0.028 | 0.0663 ± 0.025 | 0.5929 |