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Fig. 7 | BioMedical Engineering OnLine

Fig. 7

From: Highly wearable cuff-less blood pressure and heart rate monitoring with single-arm electrocardiogram and photoplethysmogram signals

Fig. 7

Training (a1, a2) and testing (b1, b2) performance of model 1 and 10 in terms of Bland–Altman plot, showing that (1) the testing performance on the unseen fresh testing data on the right side is worse than the training performance, and (2) PTT&HR-SBP model 10 is superior to PTT-SBP model 1 showing the necessity to include the HR information in SBP modeling

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