PPG-Based Heart Rate Accuracy in Hispanic Adults with Fitzpatrick III-V Skin Tones: An Evaluation of Body Composition and Skin-Tone Effects.

Sensors (Basel) · 2026 · PMC13210717 · PMID 42197732

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approached significanceno p-value reported

No significant interaction effects were found for MAE, H (5, n = 140) = 1.85, p = 0.108, or MAPE, H (5, n = 140) = 2.05, p = 0.075, although the latter approached significance.

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did not reach statistical significanceno p-value reported

Significant main effects of skin tone were observed for MAPE, H (2, n = 194) = 7.97, p = 0.019, η 2 = 0.215, and bias, H (2, n = 194) = 10.03, p = 0.007, η 2 = 0.263, while MAE, H (2, n = 194) = 5.89, p = 0.053, η 2 = 0.175, and ICC, H (2, n = 194) = 3.03, p = 0.220, η 2 = 0.102 did not reach statistical significance.

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