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. 2014 Oct 20;3(5):e000960. doi: 10.1161/JAHA.114.000960

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© 2014 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley Blackwell.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Figure 1. — Kaplan–Meier analysis of Duke Activity Status Index (DASI) scores in predicting future risk of major adverse cardiac events in stable cardiac patients undergoing elective coronary angiography according to DASI quartiles (A) and estimated metabolic equivalents (METs, B). Ranges of DASI and METs are the same as for groups in Tables 2 and 3. MI indicates myocardial infarction.