Why the study?
Limited information exists regarding the association between body composition and HRV in children with overweight and obesity, particularly severe or morbid obesity, while accounting for the dependence of HRV on HR.
Population
107 children with overweight/obesity
Comparison
Children with overweight vs severe/morbid obesity
Authors
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HR confounds HRV-adiposity associations in obese children; leaves open independent autonomic effects pending adjusted analyses.
Heart rate acts as a key confounder that explains the apparent association between adiposity and heart rate variability in children with overweight or obesity.
Plaza‐Florido et al. (2019) studied this question.
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