Key result
Percent variation of heart rate from the average heart rate during voluntary cardiorespiratory coupling was highly inversely correlated with age (r = -0.83).
Why the study?
Does the variation of respiratory sinus arrhythmia correlate with age in male subjects?
Population
24 male subjects, ages 21 to 65 yr
Design
Cross-sectional
Authors
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May indicate age-related cardiorespiratory control decline in males; hypothesis-generating for noninvasive assessment, pending validation.
Cross-Sectional (n=24)
Does the variation of respiratory sinus arrhythmia correlate with age in male subjects?
Effect estimate: r = -0.83
The variation of respiratory sinus arrhythmia decreases linearly with age, offering a simple noninvasive method to assess the overall competence of the cardiorespiratory control system.
Hellman et al. (1976) reported a cross-sectional. Voluntary cardiorespiratory coupling was evaluated on Correlation between percent of variation of heart rate from the average heart rate (PB) and age (r = -0.83). Percent variation of heart rate from the average heart rate during voluntary cardiorespiratory coupling was highly inversely correlated with age (r = -0.83).
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