National Healthcare Quality and Disparities Report
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The Agency for Healthcare Research and Quality (AHRQ) offers practical, research-based tools and other resources to help a variety of health care organizations, providers and others make care safer in all health care settings.
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These HCUP Statistical Briefs provide statistics about emergency department visits in community hospitals in the United States. Topics include reasons for emergency room visits among adults and children and transfers to other health care facilities from the emergency department.

These HCUP Statistical Briefs provide statistics about injuries that result in emergency department visits. Topics include sports-related injuries, motor vehicle accidents, firearm-related injuries, and bicycle-related injuries that result in visits to the emergency room.

The Nationwide Emergency Department Sample (NEDS) produces national estimates about emergency department (ED) visits across the country. The NEDS describes ED visits, regardless of whether they result in admission. One of the most distinctive features of the NEDS is its large sample size, which allows for analysis across hospital types and the study of relatively uncommon disorders and procedures.

The State Emergency Department Databases (SEDD) are a set of longitudinal State-specific emergency department (ED) databases included in the HCUP family. The SEDD capture discharge information on all emergency department visits that do not result in an admission. Information on patients seen in the emergency room and then admitted to the hospital is included in the State Inpatient Databases (SID).