• Michael W Sjoding, Hallie C Prescott, Hannah Wunsch, Theodore J Iwashyna, and Colin R Cooke.
• 1The Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan, Ann Arbor, MI. 2Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada. 3Department of Anesthesia, University of Toronto, Toronto, ON, Canada. 4VA Center for Clinical Management Research, Ann Arbor, MI. 5Institute for Social Research, Ann Arbor, MI. 6Center for Healthcare Outcomes and Policy, Institute for Healthcare Innovation and Policy, University of Michigan, Ann Arbor, MI.
• Crit. Care Med. 2015 Jun 1; 43 (6): 117811861178-86.

ObjectiveQuality of care for patients admitted with pneumonia varies across hospitals, but causes of this variation are poorly understood. Whether hospitals with high ICU utilization for patients with pneumonia provide better quality care is unknown. We sought to investigate the relationship between a hospital's ICU admission rate for elderly patients with pneumonia and the quality of care it provided to patients with pneumonia.DesignRetrospective cohort study.SettingTwo thousand eight hundred twelve U.S. hospitals.PatientsElderly (age≥65 years) fee-for-service Medicare beneficiaries with either a (1) principal diagnosis of pneumonia or (2) principal diagnosis of sepsis or respiratory failure and secondary diagnosis of pneumonia in 2008.InterventionsNone.Measurements And Main ResultsWe grouped hospitals into quintiles based on ICU admission rates for pneumonia. We compared rates of failure to deliver pneumonia processes of care (calculated as 100-adherence rate), 30-day mortality, hospital readmissions, and Medicare spending across hospital quintile. After controlling for other hospital characteristics, hospitals in the highest quintile more often failed to deliver pneumonia process measures, including appropriate initial antibiotics (13.0% vs 10.7%; p<0.001), and pneumococcal vaccination (15.0% vs 13.3%; p=0.03) compared with hospitals in quintiles 1-4. Hospitals in the highest quintile of ICU admission rate for pneumonia also had higher 30-day mortality, 30-day hospital readmission rates, and hospital spending per patient than other hospitals.ConclusionsQuality of care was lower among hospitals with the highest rates of ICU admission for elderly patients with pneumonia; such hospitals were less likely to deliver pneumonia processes of care and had worse outcomes for patients with pneumonia. High pneumonia-specific ICU admission rates for elderly patients identify a group of hospitals that may deliver inefficient and poor-quality pneumonia care and may benefit from interventions to improve care delivery.

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