Analysis of Discrepancies Between Pulse Oximetry and Arterial Oxygen Saturation Measurements by Race and Ethnicity and Association With Organ Dysfunction and Mortality

Discrepancies in oxygen saturation measured by pulse oximetry (Spo2), when compared with arterial oxygen saturation (Sao2) measured by arterial blood gas (ABG), may differentially affect patients according to race and ethnicity. However, the association of these disparities with health outcomes is u...

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Bibliographic Details
Published in:JAMA network open 2021-11, Vol.4 (11), p.e2131674-e2131674
Main Authors: Wong, An-Kwok Ian, Charpignon, Marie, Kim, Han, Josef, Christopher, de Hond, Anne A H, Fojas, Jhalique Jane, Tabaie, Azade, Liu, Xiaoli, Mireles-Cabodevila, Eduardo, Carvalho, Leandro, Kamaleswaran, Rishikesan, Madushani, R W M A, Adhikari, Lasith, Holder, Andre L, Steyerberg, Ewout W, Buchman, Timothy G, Lough, Mary E, Celi, Leo Anthony
Format: Article
Language:English
Subjects:
Aged
Clinical outcomes
Creatinine - blood
Cross-Sectional Studies
Electronic health records
Ethnicity
Ethnicity - statistics & numerical data
Female
Georgia - epidemiology
Hispanic people
Humans
Hypoxia - complications
Hypoxia - ethnology
Intensive care
Male
Middle Aged
Mortality
Multiple Organ Failure - complications
Multiple Organ Failure - epidemiology
Multiple Organ Failure - mortality
Online Only
Original Investigation
Oximetry
Oxygen Saturation
Pulmonary Medicine
Pulse oximetry
Racial Groups - statistics & numerical data
Retrospective Studies
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Summary:Discrepancies in oxygen saturation measured by pulse oximetry (Spo2), when compared with arterial oxygen saturation (Sao2) measured by arterial blood gas (ABG), may differentially affect patients according to race and ethnicity. However, the association of these disparities with health outcomes is unknown. To examine racial and ethnic discrepancies between Sao2 and Spo2 measures and their associations with clinical outcomes. This multicenter, retrospective, cross-sectional study included 3 publicly available electronic health record (EHR) databases (ie, the Electronic Intensive Care Unit-Clinical Research Database and Medical Information Mart for Intensive Care III and IV) as well as Emory Healthcare (2014-2021) and Grady Memorial (2014-2020) databases, spanning 215 hospitals and 382 ICUs. From 141 600 hospital encounters with recorded ABG measurements, 87 971 participants with first ABG measurements and an Spo2 of at least 88% within 5 minutes before the ABG test were included. Patients with hidden hypoxemia (ie, Spo2 ≥88% but Sao2
ISSN:2574-3805
2574-3805
DOI:10.1001/jamanetworkopen.2021.31674