Incidence, predictors and outcomes associated with acute pulmonary embolism in patients hospitalized with pneumonia: Insights from the National Inpatient Sample

A diagnosis of PE occurs in 2.6% of patients hospitalized with a principal diagnosis of pneumonia. Having concomitant PE was associated with greater risks of in-hospital mortality, increased use of mechanical ventilation and thrombolysis, extended hospital stay, and higher inpatient costs.