Measure Source

Healthy People 2010, measure 1-9c.

Tables

1.89a Immunization-preventable influenza admissions (excluding transfers from other institutions) per 100,000 population, age 65 years and older, United States, 2001 and 2002.

1.89b Immunization-preventable influenza admissions (excluding transfers from other institutions) per 100,000 population, age 65 years and older, by State, 2001 and 2002.

Data Source

AHRQ, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project (HCUP). Nationwide Inpatient Sample and State Inpatient Databases.

Denominator

U.S. population age 65 and over.

Numerator

Non-maternal hospital discharges age 65 and over with any diagnosis of immunization-preventable influenza (ICD-9-CM codes 487.0, 487.1, and 487.8), excluding transfers from other institutions.

Comments

Rates are adjusted by age and gender using the total U.S. population for 2000 as the standard population. When reporting is by age, the adjustment is by gender only; when reporting is by gender, the adjustment is by age only.

Although not all States participate in the HCUP database, the Nationwide Inpatient Sample is weighted to give national estimates using weights based on all U.S. community, non-rehabilitation hospitals in the American Hospital Association Annual Survey of Hospitals.