Table 3.

Multivariate analysis of risk factors for blood transfusion in patients with POHb between 70 and 100 g/L.

	Parameter estimate	SE	Adjusted OR	95% CI	P value
Age					0.073
Gender					0.097
Macroscopic type					0.256
Differentiation grade					0.786
Tumor size					0.302
TNM					0.438
Intraoperative blood loss	−0.002	0.001	0.998	0.997–0.999	0.002
Combined organ resection	2.540	1.047	12.674	1.629–98.640	0.015

Adjusted OR estimated by the Cox model.

95% CI: 95% confidence interval, OR: odd ratio, and SE: standard error.