Table 4.

Univariate and multivariate analyses of pre- and intraoperative factors and associations with blood loss of ≥1000 ml in major resections (≥3 segments)

Variable	OR	95% CI	P-value
Univariate analysis
≥1 comorbidity	1.017	0.408–2.535	0.971
Peak CVP >10 cm H2O	3.339	1.340–8.310	0.010
Minimum CVP <5 cm H2O	1.314	0.556–3.101	0.534
Age >70 years	0.636	0.219–1.848	0.406
Albumin <35	0.385	0.041–3.635	0.404
Bilirubin >16	2.50	0.62–10.10	0.198
Platelets <150	1.870	0.349–10.000	0.465
Prothrombin time >12 s	1.793	0.552–5.250	0.331
Multivariate analysis
CVP >10 cm H2O	5.52	1.70–17.20	0.003
Anaesthetist			0.020
1	1	–	–
2	0.036	0.002–0.670	0.026
3	0.01	0.00–0.26	0.006
4	0.10	0.10–1.04	0.054
5	0.111	0.004–2.780	0.181
6	0.278	0.025–3.162	0.302
7	0.600	0.049–7.407	0.691

OR, odds ratio; 95% CI, 95% confidence interval; CVP, central venous pressure.