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Table 7. Resistance to Isoniazid with or without Rifampin Resistance in Reported
TB Cases with No Previous TB by Origin: United States, 1993-2000
Year |
Resistant to Isoniazid¹ |
Total Cases² |
U.S.-born |
Foreign-born³ |
No. |
% |
No. |
% |
No. |
% |
1993 |
1,400 |
8.4 |
804 |
6.8 |
579 |
12.4 |
1994 |
1,355 |
8.3 |
709 |
6.4 |
632 |
12.1 |
1995 |
1,171 |
7.3 |
554 |
5.4 |
615 |
11.0 |
1996 |
1,138 |
7.4 |
496 |
5.2 |
639 |
11.3 |
1997 |
1,082 |
7.5 |
436 |
5.0 |
640 |
11.2 |
1998 |
1,012 |
7.5 |
366 |
4.7 |
644 |
11.3 |
1999 |
904 |
7.1 |
284 |
4.1 |
618 |
11.0 |
2000 |
851 |
7.5 |
261 |
4.4 |
587 |
11.0 |
- Isolates may be resistant to other drugs.
- Includes persons of unknown country of birth.
- Includes persons born outside the United States, American Samoa, the Federated
States of Micronesia, Guam, the Republic of the Marshall Islands, Midway Island,
the Commonwealth of the Northern Mariana Islands, Puerto Rico, the Republic
of Palau, U.S. Minor Outlying Islands, U.S. Miscellaneous Pacific Islands,
and the U.S. Virgin Islands.
Note: Data for all years updated through April 17, 2001.
More than 85% of all cases in each group had drug susceptibility test results
reported for an initial isolate.
See Surveillance
Slide #14.
Year |
Resistant to Isoniazid and Rifampin¹ |
Total Cases² |
U.S.-born |
Foreign-born³ |
No. |
% |
No. |
% |
No. |
% |
1993 |
410 |
2.5 |
302 |
2.6 |
105 |
2.3 |
1994 |
352 |
2.2 |
238 |
2.2 |
109 |
2.1 |
1995 |
252 |
1.6 |
168 |
1.6 |
84 |
1.5 |
1996 |
206 |
1.3 |
104 |
1.1 |
101 |
1.8 |
1997 |
156 |
1.1 |
75 |
0.9 |
80 |
1.4 |
1998 |
130 |
1.0 |
55 |
0.7 |
74 |
1.3 |
1999 |
128 |
1.0 |
39 |
0.6 |
89 |
1.6 |
2000 |
120 |
1.1 |
38 |
0.6 |
82 |
1.5 |
- Isolates may be resistant to other drugs.
- Includes persons of unknown country of birth.
- Includes persons born outside the United States, American Samoa, the Federated
States of Micronesia, Guam, the Republic of the Marshall Islands, Midway Island,
the Commonwealth of the Northern Mariana Islands, Puerto Rico, the Republic
of Palau, U.S. Minor Outlying Islands, U.S. Miscellaneous Pacific Islands,
and the U.S. Virgin Islands.
Note: Data for all years updated through April 17, 2001.
More than 85% of all cases in each group had drug susceptibility test results
reported for an initial isolate.
See Surveillance
Slide #15.
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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