Abstract
IntroductionWe explore the impact of obstructive sleep apnea (OSA) and positive airway pressure (PAP) therapy on novel coronavirus (COVID-19) infection rate and severity.MethodsRetrospective analysis was performed utilizing a database of patients evaluated by Kaiser Permanente Southern California sleep medicine between 2015–2020 (includes sleep study, daily PAP, and electronic health record data.) Adult patients were analyzed if: on March 1, 2020 patient was alive, had ≥1 month health-plan enrollment, and had sleep diagnostic or PAP data. PAP adherence was calculated between March 1, 2020 to COVID-19 confirmation, death, disenrollment or study end date (July 31, 2020), whichever came earlier. COVID-19 outcomes were evaluated based on OSA status and PAP adherence: patients with PAP <2 hours/night were considered “untreated”; ≥2 hours/night were “treated”; 2–3.9 hours/night were “moderately-treated”; ≥4 hours/night were “well-treated”. Apnea hypopnea index (AHI) defined OSA severity. Multiple logistic regression evaluated the association of various demographic/clinical factors.ResultsOf 81,932 patients (39.8% female, age 54.0±14.9 years) analyzed, 1493 (1.8%) had COVID-19 with 224 (0.3%) hospitalizations and 61 (0.07%) resulting in intensive care or death. Increased severity of “Untreated” OSA was associated with higher COVID-19 rate and lower when “treated” [No OSA 1.7%; Mild 2%; Moderate 2%; Severe 2.4%; OSA unknown severity 2%; Treated 1.4%; p<0.0001]. Better PAP adherence was associated with reduced infection rate [“untreated” 2.1%; “moderately-treated” 1.7%, “well-treated” 1.3%, No OSA 1.7%; p=<0.0001]. Multivariable analysis confirmed increased infection rate with OSA versus no OSA [OR 0.82(0.70,0.96)] and the benefit of good PAP adherence versus “untreated” [“moderately-treated” OR 0.82 (0.65, 1.03); “well-treated” OR (0.69 (0.59, 0.80)]. Increased infection rate was also associated with obesity, higher Charlson Comorbidity score, Black and Hispanic ethnicities, and Medicaid enrollment; increasing age was associated with reduced infection rate. Separate multivariable analysis showed dose-response association of OSA severity on infection rate [Mild OR 1.21 (1.01,1.44 95%CI); Moderate-Severe OR 1.27 (1.07,1.51) versus no OSA]. Neither OSA presence nor PAP adherence significantly impacted rate of hospitalization nor intensive care or death.ConclusionSignificant associations emerged with OSA increasing and PAP therapy reducing COVID-19 infection rate. Findings support continued PAP use during the pandemic.Support (if any)AASM Foundation SRA: 205-SR-19
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