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Table 1.98a
Immunization-preventable influenza admissions (excluding transfers from other institutions) per 100,000 population, age 65 and over, United States, 2003 and 2004
Population group 2004 2003
Ratea Standard error Ratea Standard error
Total   44.8 3.1 68.6 3.0
Age 65-69 21.5 2.0 37.5 2.0
70-74 31.8 2.4 54.1 2.7
75-79 46.6 3.8 68.2 3.5
80-84 65.3 5.3 96.6 5.1
85 and over 99.7 7.4 142.5 7.4
Gender Male 46.5 3.6 74.5 3.6
Female 44.1 3.0 65.6 2.8
Median income of patient's ZIP Code Less than $25,000 27.1 4.7 69.4 11.2
$25,000-$34,999 41.8 4.1 87.5 6.9
$35,000-$44,999 48.7 4.9 76.5 4.6
$45,000 or more 45.1 4.4 55.7 3.4
Location of patient residence Metropolitan-large 42.9 5.5 47.0 3.5
Metropolitan-small 37.2 3.5 75.5 7.4
Micropolitan 50.8 5.8 89.1 7.9
Noncore 74.1 9.1 134.2 10.4
Region of inpatient treatment Northeast 43.6 6.8 36.5 5.2
Midwest 71.0 9.3 104.6 7.3
South 44.6 4.8 71.7 5.4
West 16.1 2.7 53.7 5.1

a 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.

Source: Agency for Healthcare Research and Quality, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient Sample, 2003 and 2004.

 

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