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Table 1 Patient demographics and baseline characteristics
| Group A (32 hips, 32 patients) | Group B (40 hips, 40 patients) | P value | |
|---|---|---|---|
| Demographic characteristics | |||
| Age* (year) | 66.8 | 67.3 | 0.856* |
| Female/male | 22/10 | 28/12 | 0.909# |
| Height* (cm) | 168.4 ± 6.5 | 167.1 ± 8.3 | 0.471* |
| Weight* (kg) | 73.5 ± 8.7 | 71.8 ± 9.4 | 0.433* |
| Body mass index* (kg/m2) | 26.4 ± 3.6 | 27.2 ± 2.5 | 0.271* |
| Osteoarthritis/femoral neck | 2/12/18 | 3/15/22 | 1.000# |
| Fracture/spontaneous osteonecrosis | |||
| Operative status | |||
| Estimated blood loss* (ml) | 334.8 ± 22.9 | 322.3 ± 30.7 | 0.060* |
| Harris score | 13/19/0/0 | 15/24/1/0 | 0.685& |
| (Excellent/good/fair/poor) | |||
| Duration of surgery* (min) | 125.6 ± 13.7 | 132.2 ± 20.2 | 0.119* |
