Table 2.

Factors associated with 30-day and 1-year mortality in patients with CAP in Cox proportional hazards regression analyses (n=256)

Variable	Univariate			Multivariate
	HR	95% CI	P value	HR	95% CI	P value
30-day mortality
SCAP	52.01	6.80 to 398.09	<0.001	30.60	3.77 to 248.06	0.001*
BI	0.99	0.97 to 1.00	0.101	_	_	_
BMI	0.97	0.86 to 1.09	0.609	_	_	_
Malnutrition	0.84	0.73 to 0.97	0.015	1.11	0.90 to 1.35	0.330
Frailty	2.58	1.42 to 4.69	0.002	1.83	0.88 to 3.81	0.108
CCI	1.41	1.19 to 1.67	<0.001	1.19	0.99 to 1.43	0.069
1-year mortality
SCAP	13.32	6.81 to 26.04	<0.001	7.68	3.79 to 15.58	<0.001*
BI	0.98	0.97 to 0.99	<0.001	1.01	0.99 to 1.02	0.352
BMI	0.93	0.87 to 1.00	0.038	1.07	0.98 to 1.16	0.128
Malnutrition	0.78	0.72 to 0.85	<0.001	0.94	0.81 to 1.10	0.424
Frailty	3.41	2.32 to 5.03	<0.001	2.70	1.69 to 4.39	<0.001*
CCI	1.40	1.26 to 1.55	<0.001	1.19	1.05 to 1.34	<0.001*

Data are estimated HR and 95% CIs of the explanatory variables in the 30-day and 1-year mortality group. Data were adjusted for age, sex, disability, malnutrition, comorbidities and the severity of CAP.

*P<0.05.

BI, Barthel Index; BMI, body mass index; CAP, community-acquired pneumonia; CCI, Charlson’s Comorbidity Index; SCAP, severe community-acquired pneumonia.