Table 5.

Competing risk factors independently associated with ICU mortality in the 130 patients assessed by multivariate Cox regression analysis

Variables	Hazard ratio (CI 95%)	p-value
Death without WLST
Appropriate treatment	0.33 (0.11–0.97)	0.04
Age	1.02 (0.98–1.05)	0.35
SOFA score on day of VAP onset	1.12 (1.01–1.24)	0.04
Death with WLST
Appropriate treatment	0.47 (0.24–0.90)	0.02
Age	1.03 (1.01–1.05)	0.004
SOFA score on day of VAP onset	1.12 (1.01–1.24)	0.05

Qualitative variables are expressed as number (%)

CI confidence interval, WLST Withholding of Life-Sustaining Treatment, SOFA Sequential Organ Failure Assessment, VAP ventilator-associated pneumonia