What question did this study set out to answer?

To assess the accuracy of consumer wearable technologies in measuring various physiological outcomes.

July 30, 2024Sports MedicineOpen Access

Keeping Pace with Wearables: A Living Umbrella Review of Systematic Reviews Evaluating the Accuracy of Consumer Wearable Technologies in Health Measurement

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Living review assesses accuracy of wearable health devices, suggesting improvements needed for reliability.

To assess the accuracy of consumer wearable technologies in measuring various physiological outcomes.
Conducted a systematic search in databases including MEDLINE, Embase, and Cinahl.
Included systematic reviews or meta-analyses validating wearable devices against reference standards.
Extracted data on mean absolute percentage error, pooled absolute bias, and intraclass correlation coefficients.
Only 11% of wearable devices have been validated for at least one biometric outcome.
For heart rate, wearables showed a mean bias of ± 3% and 100% sensitivity in arrhythmia detection.
Wearables significantly overestimated VO2max by ± 15.24% at rest and ± 9.83% during exercise.

Doherty et al. (2024) studied this question.

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