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Over a 10-year follow-up, multivariate predictors of cardiac events were an abnormal SPECT (hazard ratio [HR]: 1.83), ischemia on treadmill stress testing (HR 1.70), decreasing exercise capacity (HR 1.11), and coronary artery calcium severity (HR 1.29). Comment: An abnormal SPECT has the highest Hazard Ratio of all of the studies, followed by ETT ischemia, coronary artery calcium, and exercise capacity. JACC Cardiovasc Imaging. 2015 Feb;8(2):134-44.    (retrieved Feb, 2015). There are currently 1090 pearls in the database. While every attempt has been made to ensure accuracy, mistakes can and do occur. Use databank at your own risk. All pearls © 2024 by the Internet Medical Association. Click Here to view more medical pearls.