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Significant factor for perioperative blood transfusion in multivariate analysis
| Variable | Odds ratio | 95 % CI | P value |
|---|---|---|---|
| Preoperative CA19-9 value (U/mL) | 1.000 | 0.999–1.000 | 0.337 |
| Operative time (min) | 1.002 | 0.994–1.011 | 0.583 |
| Operative blood loss (mL) | 1.002 | 1.001–1.003 | 0.002* |
| Postoperative maximum T-bil (mg/dL) | 1.205 | 0.914–1.589 | 0.186 |
95% CI 95 % confidence interval
*P < 0.05
