2004 Surveillance Slides
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TB Case Rates by Race/Ethnicity
United States, 1993–2004
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Slide 8. TB Case Rates by Race/Ethnicity,
United States, 1993–2004. This slide shows the declining
trend in TB rates by race/ethnicity during the last 12 years.
Asians and Pacific Islanders had the highest TB rates, which declined
from 44.1 per 100,000 in 1993 to 27.2 in 2004, and had the smallest
percentage decline over the time period (38.3%). Rates declined
by approximately 50% or more over the time period in the other
racial/ethnic groups: among non-Hispanic black or African Americans
from 28.5 in 1993 to 11.3 in 2004, among Hispanics from 19.9 to
10.1, among American Indians and Alaska Natives from 14.0 to 7.3,
and among non-Hispanic whites from 3.6 to 1.3. Since 2003, the
Asian and Pacific Islander race category includes either 1) persons
who reported race as Asian only or 2) Native Hawaiian or Other
Pacific Islander only. Although these categories were reported
separately beginning in 2003, they were merged for this slide
to allow for continuity in reporting trends.
Several important factors likely contribute to the disproportionate
burden of TB in minorities. In persons who were born in countries
where TB is common, TB disease may result from infection acquired
in the country of origin. 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 TB once infected with
M. tuberculosis. |
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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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