HRV LF/HF ratio

1. Psychological stress increases HRV LF/HF ratio in humans (p = 0.004).

   “while the low-frequency (LF) band (p = 0.002) and the LF/HF ratio (p = 0.004) showed a significant increase.”

   Human trialduring image viewingn = 31

   Ageing Population and Balance Under Stressful Conditions-A Cross-Sectional Observational Study

   Healthcare (Basel, Switzerland)·18 Jan 2026

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