Table 6.

Mortality within 1 year of discharge

Independent Variable	Univariate Models			Multivariate Model
	Hazard Ratio	95% CI	P	Hazard Ratio	95% CI	P
Age
55–64 (reference)
65–74	1.4	0.5–4.0	0.75	1.1	0.4–3.1	0.93
75 and over	3.7	1.6–8.9	0.004	3.6	1.4–8.8	0.006
Sex (female)	1.0	0.4–2.2	0.97	0.7	0.4–1.7	0.50
% TBSA	0.9	0.8–1.0	0.005	0.9	0.9–1.1	0.32
Inhalation injury	0.7	0.1–0.7	0.67	2.7	0.3–22.3	0.36
Charlson score	1.6	1.3–1.9	<0.001	1.5	1.3–1.8	<0.001
Length of stay	0.9	0.9–1.0	0.007	0.9	0.9–1.0	0.04

CI, confidence interval.