Key result
Age-dependent male patterns peaking at 91% in youth explain early ventricular repolarization gender differences.
Why the study?
Normal ECG patterns of early ventricular repolarization differ between genders, but the distribution of these patterns across genders and age groups has not been studied.
Population
529 males and 544 females aged 5 to 96 years with normal ECGs
Comparison
Male pattern vs female pattern vs indeterminate pattern across genders and age groups
Design
Cross-sectional study
Authors
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Gender differences in early ventricular repolarization on normal ECGs are primarily driven by age-dependent changes in the prevalence of the male pattern, which peaks in young adulthood and declines with age.
Cross-Sectional (n=1,073)
p-value: p=<0.001
Gender differences in early ventricular repolarization on normal ECGs are primarily driven by age-dependent changes in the prevalence of the male pattern, which peaks in young adulthood and declines with age.
Surawicz et al. (2002) conducted a cross-sectional in Normal ECG (n=1,073). Male gender vs. Female gender was evaluated on Distribution of early ventricular repolarization patterns (p=<0.001). Gender differences in early ventricular repolarization were driven by age-dependent changes in males, with the male pattern peaking at 91% at ages 17-24 and declining to 14% in old age (p<0.001).
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