Table 2 Cox proportional hazard model for predictors of primary and secondary end points (univariate analysis).

Characteristics	Cardiac death and CHF		Cardiac death		Sudden death
	HR (95% CI)	p Value	HR (95% CI)	p Value	HR (95% CI)	p Value
Age	1.017 (0.99 to 1.024)	0.2	1.008 (0.98 to 1.036)	0.5	1.008(0.97 to 1.044)	0.6
QRS	1.002 (0.99 to 1.01)	0.5	1.005 (0.99 to 1.02)	0.3	1.003 (0.99 to 1.02)	0.6
NYHA	2.7 (1.77 to 4.11)	<0.001	2.0 (1.21 to 3.31)	0.007	1.45 (0.79 to 2.65)	0.2
AFib	1.7 (0.95 to 3.16)	0.07	2.2 (1.005 to 4.83)	0.05	2.67 (1.06 to 6.75)	0.04
Na	0.93 (0.86 to 1.01)	0.09	0.95 (0.86 to 1.05)	0.3	1.013 (0.88 to 1.16)	0.6
K	1.01 (0.86 to 1.19)	0.8	0.99 (0.77 to 1.30)	0.99	0.99 (0.75 to 1.31	0.8
Creatinine	1.006 (1.00 to 1.01)	0.03	1.003 (0.99 to 1.01)	0.4	0.99 (0.98 to 1.01)	0.8
Vo2	0.83 (0.78 to 0.88)	<0.001	0.84 (0.78 to 0.91)	<0.001	0.88 (0.81 to 0.92)	0.001
VE–Vco2	1.09 (1.05 to 1.13)	<0.001	1.09 (1.04 to 1.14)	<0.001	1.042 (0.98 to 1.11)	0.2
LVMASS/BSA	1.007 (1.002 to 1.01)	0.007	1.008 (1.002 to 1.01)	0.01	1.007 (1.00 to 1.02)	0.07
LAD/BSA	1.14 (1.05 to 1.25)	0.02	1.14 (1.02 to 1.27)	0.02	1.103 (0.96 to 1.27)	0.2
LVD/BSA	1.006 (1.001 to 1.01)	0.02	1.007 (1.00 to 1.013)	0.03	1.005(0.99 to 1.015)	0.1
LVS/BSA	1.007 (1.002 to 1.01)	0.007	1.008 (1.002 to 1.02)	0.01	1.006(0.99 to 1.012)	0.2
EF	0.96 (0.91 to 0.97)	<0.001	0.93 (0.89 to 0.97)	0.001	0.93 (0.88 to 0.98)	0.007
LAV/BSA	1.027 (1.018 to 1.04)	<0.001	1.026 (1.015 to 1.04)	<0.001	1.027(1.014 to 1.04)	<0.001
E	6.65 (3.13 to 14.1)	<0.001	7.86 (3.28 to 18.8)	<0.001	6.7 (2.27 to 19.8)	<0.001
E/A	1.36 (1.14 to 1.61)	0.001	1.43 (1.19 to 1.72)	0.001	1.32 (1.01 to 1.72)	0.04
DTE	0.989 (0.98 to 0.99)	<0.001	0.99 (0.98 to 0.993)	0.001	0.99 (0.98 to 0.999)	0.02
RMFP	3.5 (1.99 to 6.2)	<0.001	3.99 (1.92 to 8.3)	0.001	3.09 (1.24 to 7.74)	0.02
MR	1.6 (1.34 to 1.97)	<0.001	1.59 (1.26 to 2.01)	<0.001	1.55 (1.16 to 2.07)	0.003

CHF, chronic heart failure; HR, hazard ratio. Other abbreviations as in table 1.