Why the study?
Smartphone photoplethysmography offers portable heart rate variability monitoring, but a lack of robustness due to corrupted data has limited its adoption.
Does filtering smartphone PPG data through a novel quality index (SPQI) improve agreement with reference ECG for HRV measurements?
Population
226 participants (1343 samples)
Comparison
Smartphone PPG filtered through the SPQI vs reference electrocardiogram
Design
Validation study of a novel signal quality index model
Authors
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Smartphone PPG may enable accessible HRV monitoring; leaves open robustness and clinical utility pending validation.
Does filtering smartphone PPG data through a novel quality index (SPQI) improve agreement with reference ECG for HRV measurements?
A novel smartphone PPG quality index improves the accuracy of heart rate variability measurements compared to reference ECG, enhancing the viability of smartphones for portable health monitoring.
Liu et al. (2020) studied this question.
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