Predicting Depression Severity in Major Depressive Disorder Using Electroencephalography and Heart Rate Variability: A Cross-Sectional Analytical Study.

Cureus · 2025 · PMC11954967 · PMID 40161195

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a decreasing trendno p-value reported

In our sample, these time domain indices were not significantly different between the MDD and control groups but did show a decreasing trend.

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an overall trendno p-value reported

We noted an overall trend of reduced HRV in MDD patients compared to healthy controls.

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