characteristics, and outcomes of mechanical ventilation in acute care hospitals. We sought
to describe the epidemiology of mechanical ventilation use in the United States. Design:
Retrospective cohort study using year 2005 hospital discharge records from six states.
National projections were generated from age-, race-, and sex-specific rates in the cohort.
Setting: Nonfederal acute care hospitals. Patients: All discharges that included invasive …