Population
286 middle-aged individuals (149 men, 137 women) from the general population
Design
Cross-sectional
Key result
Age and heart rate were strong independent predictors of decreased heart rate variability in both sexes, while BMI was strongly negatively associated with low-frequency power only in men.
Authors
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Hypothesis-generating for sex-specific HRV influences on arrhythmia risk; prospective studies needed before clinical consideration.
Cross-Sectional (n=286)
Age, heart rate, and metabolic factors like BMI independently predict heart rate variability with significant gender differences, potentially explaining women's lower susceptibility to cardiac arrhythmias.
Kuch et al. (2001) conducted a cross-sectional in General population (n=286). Age and heart rate were strong independent predictors of decreased heart rate variability in both sexes, while BMI was strongly negatively associated with low-frequency power only in men.
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