Patient/operative variables only | Patient/operative variables and HGBd | |||
---|---|---|---|---|
aOR (95% CI) | P-value | aOR (95% CI) | P-value | |
Gender, (female) | 1.32 (1.18—1.45) | < .001 | 1.33 (1.19—1.46) | < .001 |
Age, (< 40 yr) | reference | < .001 | reference | < .001 |
40—50 | 1.44 (1.13—1.75) | 1.45 (1.14—1.77) | ||
50—60 | 1.53 (1.22—1.84) | 1.55 (1.24—1.86) | ||
60—70 | 1.32 (1.06—1.59) | 1.34 (1.07—1.60) | ||
> 70 | 1.86 (1.50—2.23) | 1.88 (1.51—2.24) | ||
Body mass index, (18.5–24.9 kg/m2) | reference | < .001 | reference | < .001 |
< 18.5 | 1.46 (1.17—1.75) | 1.45 (1.16—1.74) | ||
25.0–29.9 | 1.12 (1.00—1.24) | 1.13 (1.00—1.25) | ||
> 30.0 | 1.29 (1.12—1.47) | 1.32 (1.14—1.49) | ||
Hypertension | 1.00 (0.86—1.14) | 0.992 | 1.01 (0.87—1.15) | 0.909 |
Preoperative hemoglobin level, 130 – 140 g/L | reference | < .001 | reference | < .001 |
< 110 | 2.02 (1.71—2.34) | 2.11 (1.78—2.44) | ||
110—120 | 1.25 (1.02—1.47) | 1.27 (1.04—1.50) | ||
120—130 | 0.98 (0.82—1.15) | 0.99 (0.83—1.16) | ||
> 140 | 1.26 (1.09—1.44) | 1.24 (1.07—1.41) | ||
Preoperative albumin level, > 40 mg/L | 1.76 (1.58—1.94) | < .001 | 1.77 (1.59—1.95) | < .001 |
Cancer to benign surgery | 1.45 (1.30—1.59) | < .001 | 1.43 (1.28—1.57) | < .001 |
Intraperitoneal surgery | 0.74 (0.66—0.83) | < .001 | 0.74 (0.66—0.83) | < .001 |
Intraoperative hypotension | 1.72 (1.46—1.97) | < .001 | 1.69 (1.45—1.94) | < .001 |
Intraoperative blood transfusion | 0.98 (0.86—1.09) | 0.684 | 0.92 (0.81—1.03) | 0.173 |
Intraoperative dexmedetomidine use | 0.81 (0.73—0.89) | < .001 | 0.81 (0.73—0.89) | < .001 |
Intraoperative colloid use | 1.21 (1.09—1.33) | < .001 | 1.18 (1.06—1.30) | 0.001 |
Hemoglobin drop, (≤ 43 g/L) | reference | - | reference | < .001 |
> 43 | - | 1.82 (1.42—2.21) |