Table 3.

Multivariate analysis: characteristics independently associated with long-term mortality

Comorbidity	HR	95% CI	p value
Aged ≥65 years	2.30	1.54–3.43	<0.001
HCAP	1.97	1.36–2.87	<0.001
High-risk pneumonia (PSI IV–V)	2.13	1.51–3.02	<0.001
Immunosuppressant druga	8.04	3.11–20.76	<0.001
HIV infection	1.67	1.08–2.59	0.021
Cardiovascular disease	1.50	1.05–2.14	0.024

Unless otherwise indicated, reference value assumed to be the absence of this condition. HR = Hazard ratio.

^aOther than prednisone.