Why the study?
Does heart rate variability show diurnal variation and differ between healthy subjects and those with non-insulin-dependent diabetes mellitus?
Population
48 subjects, comprising 29 with non-insulin-dependent diabetes mellitus and 19 age-matched healthy subjects.
Comparison
Ambulatory 24-hour ECG monitoring system to… vs Age-matched healthy subjects.
Design
Cross-sectional
Follow-up
24 hours
Authors
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Diurnal CVRR variation with morning peak and reduction in diabetes supports autonomic research; hypothesis-generating and should not change practice.
Does heart rate variability show diurnal variation and differ between healthy subjects and those with non-insulin-dependent diabetes mellitus?
Heart rate variability exhibits significant diurnal variation, with a steep change in the morning, and is overall reduced in patients with non-insulin-dependent diabetes mellitus.
Noritake et al. (1992) studied this question.
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