Table 2.
Results of univariable and multivariable logistic regression analyses to identify predictors of postoperative 30-day mortality
| Univariable analysis |
Multivariable analysis |
|||
|---|---|---|---|---|
| Odds ratio | P | Odds ratio | P | |
| Preoperative scores | ||||
| APRI/ALBI | 1.73 (1.52, 1.96) | < 0.001 | 1.72 (1.16, 2.55) | 0.007 |
| MELD | 1.14 (1.09, 1.20) | < 0.001 | 1.04 (0.95, 1.13) | 0.411 |
| Patient characteristics | ||||
| Male sex | 0.36 (0.25, 0.53) | < 0.001 | 0.59 (0.35, 1.00) | 0.049 |
| Age (years) | 1.06 (1.05, 1.08) | < 0.001 | 1.06 (1.04, 1.09) | < 0.001 |
| BMI (kg/m2) | 1.01 (0.99, 1.04) | 0.303 | ||
| ASA grade | 3.04 (2.23, 4.14) | < 0.001 | 1.45 (0.92, 2.28) | 0.114 |
| Neoplastic entity | 0.98 (0.90, 1.07) | 0.653 | ||
| Race | 0.98 (0.80, 1.19) | 0.809 | ||
| Smoking | 1.01 (0.63, 1.61) | 0.981 | ||
| Diabetes | 2.84 (2.00, 4.05) | < 0.001 | 1.76 (1.08, 2.87) | 0.024 |
| Operative data | ||||
| Major resection | 3.39 (2.36, 4.87) | < 0.001 | 2.14 (1.28, 3.59) | 0.004 |
| Duration of surgery (min) | 1.006 (1.005, 1.007) | < 0.001 | 1.005 (1.004, 1.007) | < 0.001 |
| Preoperative laboratory measurements | ||||
| Albumin (g/dl) | 0.34 (0.25, 0.46) | < 0.001 | 0.96 (0.53, 1.75) | 0.903 |
| Serum bilirubin (mg/dl) | 1.32 (1.20, 1.46) | < 0.001 | 0.95 (0.79, 1.15) | 0.611 |
| AST (units/l) | 1.008 (1.005, 1.010) | < 0.001 | 0.997 (0.990, 1.005) | 0.447 |
| Platelets (× 103/µl) | 0.998 (0.996, 1.000) | 0.049 | 0.999 (0.996, 1.002) | 0.393 |
Values in parentheses are 95 per cent confidence intervals. APRI, aspartate aminotransferase/platelet ratio index; ALBI, albumin–bilirubin grade; MELD, Model for End-Stage Liver Disease; AST, aspartate aminotransferase. Odds ratios for continuous variables are shown per unit increase.