Table 2.

Risk of Hospitalization for Heart Failure, Death, and Cardiovascular Death across Smoking Categories (N=1,717)

Outcome	Events/No. at risk	Model 1* HR (95%CI)	P-value	Model 2† HR (95%CI)	P-value
Hospitalization for Heart Failure
Never smoker	135/729	Ref	-	Ref	-
Former smoker	225/872	1.44 (1.15, 1.80)	0.0012	1.25 (0.99, 1.57)	0.053
Current smoker	27/116	1.55 (1.01, 2.38)	0.044	1.68 (1.08, 2.61)	0.020
Death
Never smoker	142/729	Ref	-	Ref	-
Former smoker	202/872	1.10 (0.88, 1.37)	0.42	1.02 (0.81, 1.29)	0.85
Current smoker	30/116	1.96 (1.30, 2.97)	0.0014	1.82 (1.19, 2.78)	0.0057
Cardiovascular Death
Never smoker	85/729	Ref	-	Ref	-
Former smoker	113/872	1.03 (0.77, 1.38)	0.85	1.00 (0.74, 1.35)	0.99
Current smoker	20/116	2.06 (1.23, 3.44)	0.0058	1.85 (1.09, 3.14)	0.022

^*Adjusted for age, sex, and race.

^†Adjusted for Model 1 covariates plus systolic blood pressure, serum creatinine, diabetes, chronic obstructive pulmonary disease, body mass index, aspirin, antihypertensive medications, statins, randomization group, New York Heart Association Class, coronary heart disease, and stroke.

CI=confidence interval; HR=hazard ratio.