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Accuracy in Wrist-Worn, Sensor-Based Measurements of Heart Rate and Energy Expenditure in a Diverse Cohort

The ability to measure physical activity through wrist-worn devices provides an opportunity for cardiovascular medicine. However, the accuracy of commercial devices is largely unknown. The aim of this work is to assess the accuracy of seven commercially available wrist-worn devices in estimating hea...

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Autores principales: Shcherbina, Anna, Mattsson, C. Mikael, Waggott, Daryl, Salisbury, Heidi, Christle, Jeffrey W., Hastie, Trevor, Wheeler, Matthew T., Ashley, Euan A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5491979/
https://www.ncbi.nlm.nih.gov/pubmed/28538708
http://dx.doi.org/10.3390/jpm7020003
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author Shcherbina, Anna
Mattsson, C. Mikael
Waggott, Daryl
Salisbury, Heidi
Christle, Jeffrey W.
Hastie, Trevor
Wheeler, Matthew T.
Ashley, Euan A.
author_facet Shcherbina, Anna
Mattsson, C. Mikael
Waggott, Daryl
Salisbury, Heidi
Christle, Jeffrey W.
Hastie, Trevor
Wheeler, Matthew T.
Ashley, Euan A.
author_sort Shcherbina, Anna
collection PubMed
description The ability to measure physical activity through wrist-worn devices provides an opportunity for cardiovascular medicine. However, the accuracy of commercial devices is largely unknown. The aim of this work is to assess the accuracy of seven commercially available wrist-worn devices in estimating heart rate (HR) and energy expenditure (EE) and to propose a wearable sensor evaluation framework. We evaluated the Apple Watch, Basis Peak, Fitbit Surge, Microsoft Band, Mio Alpha 2, PulseOn, and Samsung Gear S2. Participants wore devices while being simultaneously assessed with continuous telemetry and indirect calorimetry while sitting, walking, running, and cycling. Sixty volunteers (29 male, 31 female, age 38 ± 11 years) of diverse age, height, weight, skin tone, and fitness level were selected. Error in HR and EE was computed for each subject/device/activity combination. Devices reported the lowest error for cycling and the highest for walking. Device error was higher for males, greater body mass index, darker skin tone, and walking. Six of the devices achieved a median error for HR below 5% during cycling. No device achieved an error in EE below 20 percent. The Apple Watch achieved the lowest overall error in both HR and EE, while the Samsung Gear S2 reported the highest. In conclusion, most wrist-worn devices adequately measure HR in laboratory-based activities, but poorly estimate EE, suggesting caution in the use of EE measurements as part of health improvement programs. We propose reference standards for the validation of consumer health devices (http://precision.stanford.edu/).
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spelling pubmed-54919792017-07-03 Accuracy in Wrist-Worn, Sensor-Based Measurements of Heart Rate and Energy Expenditure in a Diverse Cohort Shcherbina, Anna Mattsson, C. Mikael Waggott, Daryl Salisbury, Heidi Christle, Jeffrey W. Hastie, Trevor Wheeler, Matthew T. Ashley, Euan A. J Pers Med Article The ability to measure physical activity through wrist-worn devices provides an opportunity for cardiovascular medicine. However, the accuracy of commercial devices is largely unknown. The aim of this work is to assess the accuracy of seven commercially available wrist-worn devices in estimating heart rate (HR) and energy expenditure (EE) and to propose a wearable sensor evaluation framework. We evaluated the Apple Watch, Basis Peak, Fitbit Surge, Microsoft Band, Mio Alpha 2, PulseOn, and Samsung Gear S2. Participants wore devices while being simultaneously assessed with continuous telemetry and indirect calorimetry while sitting, walking, running, and cycling. Sixty volunteers (29 male, 31 female, age 38 ± 11 years) of diverse age, height, weight, skin tone, and fitness level were selected. Error in HR and EE was computed for each subject/device/activity combination. Devices reported the lowest error for cycling and the highest for walking. Device error was higher for males, greater body mass index, darker skin tone, and walking. Six of the devices achieved a median error for HR below 5% during cycling. No device achieved an error in EE below 20 percent. The Apple Watch achieved the lowest overall error in both HR and EE, while the Samsung Gear S2 reported the highest. In conclusion, most wrist-worn devices adequately measure HR in laboratory-based activities, but poorly estimate EE, suggesting caution in the use of EE measurements as part of health improvement programs. We propose reference standards for the validation of consumer health devices (http://precision.stanford.edu/). MDPI 2017-05-24 /pmc/articles/PMC5491979/ /pubmed/28538708 http://dx.doi.org/10.3390/jpm7020003 Text en © 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Shcherbina, Anna
Mattsson, C. Mikael
Waggott, Daryl
Salisbury, Heidi
Christle, Jeffrey W.
Hastie, Trevor
Wheeler, Matthew T.
Ashley, Euan A.
Accuracy in Wrist-Worn, Sensor-Based Measurements of Heart Rate and Energy Expenditure in a Diverse Cohort
title Accuracy in Wrist-Worn, Sensor-Based Measurements of Heart Rate and Energy Expenditure in a Diverse Cohort
title_full Accuracy in Wrist-Worn, Sensor-Based Measurements of Heart Rate and Energy Expenditure in a Diverse Cohort
title_fullStr Accuracy in Wrist-Worn, Sensor-Based Measurements of Heart Rate and Energy Expenditure in a Diverse Cohort
title_full_unstemmed Accuracy in Wrist-Worn, Sensor-Based Measurements of Heart Rate and Energy Expenditure in a Diverse Cohort
title_short Accuracy in Wrist-Worn, Sensor-Based Measurements of Heart Rate and Energy Expenditure in a Diverse Cohort
title_sort accuracy in wrist-worn, sensor-based measurements of heart rate and energy expenditure in a diverse cohort
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5491979/
https://www.ncbi.nlm.nih.gov/pubmed/28538708
http://dx.doi.org/10.3390/jpm7020003
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