CDC logo Tuberculosis Information CD-ROM   Image of people
   
1
spacer image

This is an archived document. The links are no longer being updated.

Table 7. Resistance to Isoniazid with or without Rifampin Resistance in Reported TB Cases with No Previous TB by Origin: United States, 1993-1999

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 6.5 632 12.1
1995 1,171 7.3 554 5.4 615 11.0
1996 1,134 7.4 492 5.2 638 11.3
1997 1,076 7.5 429 5.0 640 11.3
1998 1,012 7.6 366 4.8 644 11.4
1999 865 7.2 271 4.1 590 11.1
  1. Isolates may be resistant to other drugs.
  2. Includes persons of unknown country of birth.
  3. 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 May 3, 2000.

More than 85% of all cases in each group had drug susceptibility test results reported for an initial isolate.

See Surveillance Slide #14.

Resistant to Isoniazid and Rifampin¹
Total Cases² U.S.-born Foreign-born³
Year 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 205 1.3 103 1.1 101 1.8
1997 157 1.1 75 0.9 81 1.4
1998 127 1.0 52 0.7 74 1.3
1999 127 1.1 38 0.6 88 1.7

  1. Isolates may be resistant to other drugs.
  2. Includes persons of unknown country of birth.
  3. 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 May 3, 2000.

More than 85% of all cases in each group had drug susceptibility test results reported for an initial isolate.

See Surveillance Slide #15.

Return to 1999 Surveillance Report

 


Released October 2008
Centers for Disease Control and Prevention
National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention
Division of Tuberculosis Elimination - http://www.cdc.gov/tb

Please send comments/suggestions/requests to: hsttbwebteam@cdc.gov, or to
CDC/Division of Tuberculosis Elimination
Communications, Education, and Behavioral Studies Branch
1600 Clifton Rd., NE - Mailstop E-10, Atlanta, GA 30333