Table 1 Baseline characteristics
Baseline Characteristic | IV group (n = 192) | Combined group (n = 135) | Control group (n = 248) | P |
|---|---|---|---|---|
Age (y) | 66.2 ± 7.9 | 65.8 ± 9.1 | 66.6 ± 9.5 | 0.675 |
Gender(M/F) | 32/160 | 23/112 | 43/205 | 0.983 |
BMI (kg/ m2) | 27.1 ± 3.8 | 27.6 ± 3.3 | 27.0 ± 3.5 | 0.230 |
Diagnose (OA/IA) | 183/9 | 126/9 | 238/10 | 0.514 |
Hypertension | 67 (34.9%) | 59 (43.7%) | 85 (34.3%) | 0.154 |
Diabetes | 20 (10.4%) | 17 (12.6%) | 21 (8.5%) | 0.433 |
Preoperative Hb (g/L) | 140.8 ± 12.2 | 143.2 ± 10.8 | 141.4 ± 10.4 | 0.432 |
Preoperative Hct | 0.415 ± 0.035 | 0.420 ± 0.032 | 0.415 ± 0.037 | 0.758 |
PBV (mL) | 4047.3 ± 505.6 | 4060.4 ± 559.1 | 4020.3 ± 532.1 | 0.749 |
Anticoagulation methods | 0.398 | |||
LMWH | 109 | 86 | 153 | |
Rivaroxaban | 83 | 49 | 95 | |
Anesthesia method | 0.578 | |||
General | 152 | 112 | 195 | |
Regional | 40 | 23 | 53 | |
ASA class | 0.852 | |||
1–2 | 188 | 131 | 241 | |
≥3 | 4 | 4 | 7 | |
Operating time (min) | 120.3 ± 37.1 | 153.8 ± 43.9 | 139.3 ± 39.1 | < 0.001* |