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2002 Surveillance Slides

TB Case Rates by Race/Ethnicity

United States, 1992-2002

Slide 8: TB Case Rates by Race/Ethnicity, United 
        States, 1992-2002
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.


Released October 2008
Centers for Disease Control and Prevention
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