Cohort Studymoderate evidence
Reduced desaturation-based detection of sleep apnea events in self-identified Black individuals across two cohorts.
American journal of respiratory and critical care medicine·November 4, 2026·PMID 42981082
Why it mattersPulse oximetry may under-detect sleep apnea in individuals with darker skin, leading to underestimation of disease severity and missed opportunities for cardiovascular risk stratification. This study quantifies that disparity and suggests heart-rate response may be a more equitable marker.
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