2002 Surveillance Slides
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TB Case Rates by Race/Ethnicity
United States, 1992-2002
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Slide 8: TB Case Rates by Race/Ethnicity, United
States, 1992-2002. This slide shows the declining trend
in TB rates by race/ethnicity during the last decade. Asians and Pacific
Islanders had the highest TB rates, which declined from 46 per 100,000
in 1992 to 28 in 2002, but the least percentage decline over the decade
(40%). Rates declined more than 50% over the decade in the other racial/ethnic
groups: among non-Hispanic blacks from 32 in 1992 to 13 in 2002, among
Hispanics from 22 to 10, among American Indians and Alaska Natives from
16 to 7, and among non-Hispanic whites from 4 to 2.
Several important factors likely contribute to the disproportionate
burden of TB in minorities. In foreign-born persons from countries where
TB is common, active TB disease may result from infection acquired in
the country of origin. In racial and ethnic minorities, unequal distribution
of TB risk factors, such as HIV infection, may also contribute to increased
exposure to TB or to an increased risk of developing active TB once
infected with M. tuberculosis. However, much of the increased
risk of TB in minorities has been linked to lower socioeconomic status
and the effects of crowding, particularly among U.S.-born persons.
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Last Reviewed: 05/18/2008 Content Source: Division of Tuberculosis Elimination
National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention
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