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Heart-rate-adjusted QT-interval (QTc) is prognostic of sudden death in myocardial infarction patients. So far, population studies have yielded conflicting results on the predictive value of QTc for coronary heart disease morbidity and mortality. Therefore, we investigated this in a longitudinal study of middle-aged and elderly men.

Association between QT interval and coronary heart disease in middle-aged and elderly men. The Zutphen Study.