Table 5.

Factors Associated with Death in Multivariable Analysis

	Multivariable Model Without Interaction Term	Multivariable Model With Interaction Term
Factor	Hazard Ratio (95% Posterior Credible Interval)	Hazard Ratio (95% Posterior Credible Interval)
Age	1.03 (1.02-1.04)	1.02 (1.01-1.03)
Male sex	1.23 (1.02-1.50)	1.21 (0.98-1.46)
Race
White	0.71 (0.55-0.97)	0.69 (0.54-1.01)
Black	0.98 (0.73-1.37)	0.95 (0.70-1.40)
Left ventricular ejection fraction	0.62 (0.48-0.80)	0.62 (0.48-0.78)
New York Heart Association Class
II v. I	1.05 (0.82-1.34)	1.07 (0.86-1.39)
III v. I	2.04 (1.67-2.62)	2.05 (1.67-2.71)
Ischemic disease	1.52 (1.25-1.92)	1.58 (1.28-1.97)
Diabetes mellitus	1.44 (1.23-1.67)	1.45 (1.22-1.68)
Medication
β-blocker	0.69 (0.60-0.81)	0.69 (0.59-0.79)
Angiotensin converting enzyme inhibitor	0.92 (0.74-1.12)	0.93 (0.77-1.16)
QRS duration	1.20 (1.03-1.39)	1.21 (1.03-1.41)
ICD therapy
DEFINITE	0.61 (0.39-0.96)	0.48 (0.30-0.79)
MADIT-I	0.48 (0.28-0.81)	0.37 (0.22-0.61)
MADIT-II	0.59 (0.45-0.78)	0.44 (0.31-0.59)
MUSTT	0.37 (0.20-0.64)	0.27 (0.14-0.49)
SCD-HeFT	0.73 (0.60-0.89)	0.58 (0.45-0.74)
Overall	0.54 (0.30-0.95)	0.41 (0.21-0.71)
Heterogeneity in Treatment Effect (Standard Deviation)	0.57 (0.38, 1.04)	0.59 (0.38, 0.99)
Age and ICD therapy interaction	-	1.02 (1.01-1.03)