Table 1Characteristics of emergency department (ED) visits for all-listed influenza, 2008–2009

20082009
Total number of visits491,9001,281,700
Rate per 100,000 population*161.8417.5
Utilization characteristics
Disposition at discharge (percentage distribution)
 Treated and released86.890.4
 Admitted to the hospital11.78.2
 Died in ED0.00.0
 Other0.50.6
Expected primary payer (percentage distribution)
 Medicare12.24.6
 Medicaid29.340.2
 Private Insurance38.535.7
 Uninsured16.315.2
 Other3.23.7
Patient characteristics (rate per 100,000 population)*
Gender
 Male150.3393.6
 Female172.5439.4
Mean age (years)
 0–5441.61,178.0
 6–11167.3887.8
 12–17133.8672.5
 18–44168.7394.0
 45–6483.1149.7
 65 and older130.783.0
Patient residence
 Urban areas140.5391.3
 Rural areas263.8539.3
Community-level income
 Low income (lowest quartile)224.7563.3
 Not low income136.9358.3
*

Denominator data for rates were based on the U.S. Census Bureau, National Intercensal Estimates, 2000–2010 and Claritas Population Estimates, 2009.

Source: AHRQ, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Emergency Department Sample, 2008–2009

From: Emergency Department Visits and Hospital Inpatient Stays for Seasonal and 2009 H1N1 Influenza, 2008–2009

Cover of Healthcare Cost and Utilization Project (HCUP) Statistical Briefs
Healthcare Cost and Utilization Project (HCUP) Statistical Briefs [Internet].

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