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. Author manuscript; available in PMC: 2016 Feb 26.
Published in final edited form as: Am J Cardiol. 2009 Jun 18;104(4):554–558. doi: 10.1016/j.amjcard.2009.04.022

Table 2.

Age-adjusted univariate analysis

Variable Cardiac Mortality
HR (95% CI)		 P
value		 Major Events
HR (95% CI)		 P
value
Left ventricular ejection fraction (%) 0.97 (0.95 – 0.98) <0.001 0.94 (0.93 – 0.96) <0.001
Etiology (ischemic) 1.29 (0.88 – 1.87) 0.18 1.19 (0.91 – 1.56) 0.21
Peak VO2 (mL․kg−1․min−1) 0.91 (0.88 – 0.95) <0.001 0.88 (0.86 – 0.91) <0.001
Peak O2 pulse (mL․beat−1) 0.89 (0.84 – 0.94) <0.001 0.88 (0.84 – 0.92) <0.001
Achieved predicted peak O2 pulse (%)* 0.85 (0.78 – 0.91) <0.001 0.83 (0.78 – 0.88) <0.001

every 10% increment