Predictors of patient survival
| Characteristic | Unadjusted HR (95% CI) | Adjusted HR* (95% CI) |
|---|---|---|
| Age > 65 yr | 2.35 (1.84–3.02) | 2.04 (1.57–2.64) |
| Male sex | 1.39 (1.08–1.79) | 1.09 (0.83–1.42) |
| Type of surgery | ||
| Lobectomy | 1.00 | 1.00 |
| Partial resection | 1.35 (1.02–1.79) | 1.28 (0.96–1.70) |
| Diagnosis type | ||
| Primary | 1.00 | — |
| Secondary | 1.45 (0.98–2.13) | — |
| Other | 0.80 (0.54–1.18) | — |
| Admission details | ||
| Urgent/emergent | 1.30 (1.01–1.67) | 1.14 (0.88–1.47) |
| High-volume surgeon | — | |
| Training | 1.11 (0.82–1.51) | |
| Hepatobiliary | 1.00 | — |
| Surgical oncology | 1.36 (0.96–1.93) | — |
| Other | 1.15 (0.86–1.54) | — |
| Charlson score | ||
| 0 | 1.00 | 1.00 |
| 1 | 1.50 (1.13–2.02) | 1.32 (0.98–1.78) |
| 2 | 2.44 (1.73–3.45) | 1.84 (1.28–2.66) |
| ≥ 3 | 3.05 (1.83–5.07) | 2.13 (1.25–3.63) |
| Postoperative complications | 1.28 (1.00–1.64) | 1.07 (0.82–1.39) |
| Moderate, severe liver disease | 0.70 (0.34–1.41) | — |
CI = confidence interval; HR = hazard ratio.
↵* Adjusted for significant variables in univariate analysis: age, sex, type of surgery, elective admission, Charlson score and postoperative complications.