Table 2.

Cox regression evaluation of factors associated with mortality

Univariate analysis		Multivariate analysis
Hazard ratio	P value	Hazard ratio	P value
1.03 (1.01, 1.06)	0.04	1.03 (1.01, 1.06)	0.02
1.01 (1.01, 1.02)	0.01	-	-
1.01 (1.00, 1.02)	0.03	1.03 (1.00, 1.06)	0.01
1.63 (0.92, 2.89)	0.09	2.01 (1.04, 3.89)	0.04
0.610 (0.35, 1.05)	0.07	0.447 (0.25, 0.81)	0.01