Clinical validation of comprehensive time- and frequency-domain photoplethysmography features from a single-sensor system for non-invasive assessment of vascular load and systolic blood pressure.

Front Physiol · 2025 · PMC12605234 · PMID 41234693

Europe PMC DOI

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0.1060

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did not reach statistical significancep = 0.106not close (p > 0.1)

Similarly, SDNN, reflecting overall heart rate variability, showed values of 111.582 ± 75.421, 122.908 ± 80.216, 127.349 ± 90.157, and 130.485 ± 95.214 for the four groups, respectively, but the difference did not reach statistical significance (p = 0.106).

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