Pulse Oximeters Are Less Accurate Among Black, Hispanic and Asian Covid-19 Patients

Devices flag low oxygen levels more reliably in white patients, according to study

Discrepancies in pulse oximeter readings may have led to some patients of color with severe Covid-19 receiving delayed or no treatment despite having oxygen levels low enough to warrant it, researchers said. indranil mukherjee/Agence France-Presse/Getty Images

Pulse oximeter measurements among Black, Hispanic and Asian Covid-19 patients were less accurate than measurements for white patients, a study showed, underscoring shortcomings in a critical device used to monitor the disease’s riskiest outcomes.

The discrepancies may have led to some patients of color with severe disease receiving delayed or no treatment despite having oxygen levels low enough to warrant it, researchers said Tuesday in a study published in the journal JAMA Internal Medicine.

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