Table 3. Independent predictors of ICU mortality.

Predictors of ICU mortality	Odds Ratio	95%CI	p value
Univariate analysis
Age	1.00	(0.89–1.11)	0.98
SAPS II	1.08	(1.06–1.09)	<0.01
Mechanical ventilation	9.51	(5.32–17.59)	<0.01
Non-invasive ventilation	0.56	(0.33–0.93)	0.02
Catecholamines	4.24	(2.53–7.22)	<0.01
Renal replacement therapy	2.30	(0.88–6.16)	0.06
Bacteriemia	4.27	(1.32–16.12)	<0.01
Withholding and Withdrawing	29.30	(15.90–56.52)	<0.01
Multivariate analysis
Age	0.88	(0.72–1.08)	0.22
SAPS II	1.09	(1.05–1.12)	<0.01
Mechanical ventilation	4.83	(1.59–15.82)	<0.01
Non-invasive ventilation	2.27	(0.88–6.16)	0.10
Bacteriemia	4.60	(0.63–36.52)	0.14
Withholding and Withdrawing	202.25	(50.3–1145.2)	<0.01

ICU: intensive care unit, SAPS II: simplified acute physiology score, 95% CI: confidence interval.