PubMed · 7492052
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L D Marks. 1995. Admitting mistakes.. https://doi.org/10.1016/s0196-0644(95)70056-0
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Reporting QTc dispersion values without paying attention to the original QT dispersion values and to the heart rate may be seriously misleading because differences in QTc dispersion between clinically well-defined populations may only be caused by differences in the underlying heart rate. This is demonstrated by showing the significant differences in "heart-rate corrected" length of the surname between long-term survivals and nonsurvival patients of acute myocardial infarction.