. Author manuscript; available in PMC: 2017 Feb 23.

Published in final edited form as: J Am Coll Cardiol. 2016 Feb 23;67(7):780–789. doi: 10.1016/j.jacc.2015.11.050

TABLE 6.

Mortality Discrimination based on c-index per RER Categories

Peak RER	Overall Model c-index
Peak RER	Peak Oxygen Uptake (Peak V_O₂)	Exercise Duration	Ventilatory Efficiency (V_E-V_CO₂ Slope)
≤0.95 (n = 230)	0.600 (0.501–0.691)	0.562 (0.468–0.656)	0.532 (0.428–0.638)
>0.95 to ≤1.00 (n = 234)	0.717 (0.639–0.795)	0.755 (0.679–0.831)	0.707 (0.611–0.804)
>1.00 to ≤1.05 (n = 317)	0.703 (0.633–0.774)	0.700 (0.621–0.778)	0.676 (0.604–0.747)
>1.05 to ≤1.10 (n = 430)	0.696 (0.624–0.768)	0.691 (0.608–0.774)	0.652 (0.582–0.722)
>1.10 (n = 850)	0.730 (0.689–0.771)	0.737 (0.693–0.781)	0.683 (0.634–0.732)

Abbreviations as in Tables 2 and 4.