PMC

Recruitment. ABX = antibiotic; CH CT = chest CT scan; CXR = chest radiograph; ICD = International Classification of Diseases; LOS = length of stay; MS DRG = Medicare Severity Diagnosis-Related Group; PN = pneumonia; POA = present on admission.

ORs and risk ratios for the association between OSA and patient outcomes. All models account for clustering of patients in hospitals. a: Unadjusted; b: Adjusted for demographics, admitting physician specialty, and hospital characteristics; c: Adjusted for health-care-associated pneumonia vs community-acquired pneumonia, demographics, admitting physician specialty, hospital characteristics, and comorbidities. *OR (95% CI). **Risk ratio (95% CI) among survivors. IMV = invasive mechanical ventilation. See legend for expansion of other abbreviation.