The Apple Watch spO(2) sensor and outliers in healthy users

It is unclear how frequently the Apple Watch produces spO(2) measurements outside of the normal range in healthy individuals at rest. We conducted a head-to-head comparison in 38 healthy individuals between two watches and two medical-grade pulse oximeters. Fourteen percent of watch measurements yie...

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Detalles Bibliográficos
Autores principales: Schröder, Christina, Förster, Robert, Zwahlen, Daniel R., Windisch, Paul
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2023
Materias:
Brief Communication
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10082785/
https://www.ncbi.nlm.nih.gov/pubmed/37031281
http://dx.doi.org/10.1038/s41746-023-00814-x
Descripción
Sumario:It is unclear how frequently the Apple Watch produces spO(2) measurements outside of the normal range in healthy individuals at rest. We conducted a head-to-head comparison in 38 healthy individuals between two watches and two medical-grade pulse oximeters. Fourteen percent of watch measurements yielded spO(2) values below 95%, with no values below 92%. Results suggest that outliers measured by the watch should not be a cause for concern in otherwise healthy individuals.

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