Table 3.

Summary of Cox proportional hazards model analysis with time to hospital death right-censored at 28 days as the dependent factor.

	B	SE	HR	95% CI	P
Medical admission	0.71	0.094	2.04	1.70 - 2.45	< 0.001
Age, year	0.01	0.003	1.01	1.00 - 1.02	0.001
SAPS II score (per point)	0.04	0.002	1.05	1.04 - 1.05	< 0.001
Mechanical ventilation, on admission	0.30	0.111	1.35	1.09 - 1.68	0.007
Liver cirrhosis on admission	0.79	0.160	2.19	1.60 -- 3.00	< 0.001
Insulin-treated diabetes	-0.24	0.157	0.78	0.58 - 1.07	0.120

B = coefficient estimate; CI = confidence interval; HR = hazard ratio; SAPS = simplified acute physiology score; SE = standard error of the estimate.