Table 3. Factors associated with mortality in non-HIV PCP patients with respiratory failure in a multivariate analysis.

Variable	Hazard ratio	95% CI	p value
Male sex	1.524	0.810–2.869	0.192
APACHE II score	1.001	0.960–1.043	0.976
Renal failure requiring RRT	1.371	0.707–2.657	0.351
PCP PCR negative conversion	0.433	0.203–0.928	0.031
PaO₂/FiO₂ ratio, first 24 hours	0.988	0.983–0.993	<0.001

CI, confidence interval; RRT, renal replacement therapy