Reported Tuberculosis in the United States, 2018

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Table 8. Tuberculosis Cases and Percentages, by Resistance to Isoniazid (INH)1, Origin of Birth, and Previous History of TB: United States, 1993–2018

See Surveillance Slide #26.

Table 8. Tuberculosis Cases and Percentages, by Resistance to Isoniazid (INH), Origin of Birth, and Previous History of TB: United States, 1993–2018
Year All INH-Resistant2 Isoniazid Resistant TB Cases
Total INH-Resistant3 U.S.-Born INH-Resistant3 Non-U.S.–Born3,4 INH-Resistant
Previous TB No previous TB Previous TB No previous TB Previous TB No previous TB
Eligible No. (%) Eligible No. (%) Eligible No. (%) Eligible No. (%) Eligible No. (%) Eligible No. (%)
1993 1,534 982 161 (16.4) 16,601 1,367 (8.2) 668 83 (12.4) 11,808 789 (6.7) 301 75 (24.9) 4,665 564 (12.1)
1994 1,543 1033 175 (16.9) 16,418 1,352 (8.2) 693 81 (11.7) 11,010 708 (6.4) 336 93 (27.7) 5,291 632 (11.9)
1995 1,351 958 168 (17.5) 16,023 1,173 (7.3) 592 77 (13.0) 10,340 554 (5.4) 364 91 (25.0) 5,652 618 (10.9)
1996 1,284 862 142 (16.5) 15,360 1,133 (7.4) 559 68 (12.2) 9,637 495 (5.1) 303 74 (24.4) 5,676 637 (11.2)
1997 1,195 742 109 (14.7) 14,450 1,078 (7.5) 455 35 (7.7) 8,697 435 (5.0) 286 74 (25.9) 5,708 640 (11.2)
1998 1,120 749 98 (13.1) 13,420 1,011 (7.5) 485 38 (7.8) 7,695 366 (4.8) 262 60 (22.9) 5,692 643 (11.3)
1999 1,000 669 82 (12.3) 12,659 900 (7.1) 382 25 (6.5) 7,011 284 (4.1) 284 55 (19.4) 5,596 614 (11.0)
2000 981 632 84 (13.3) 11,829 889 (7.5) 360 22 (6.1) 6,141 269 (4.4) 272 62 (22.8) 5,659 617 (10.9)
2001 897 629 87 (13.8) 11,514 800 (6.9) 324 28 (8.6) 5,570 241 (4.3) 302 59 (19.5) 5,908 558 (9.4)
2002 912 570 80 (14.0) 10,820 826 (7.6) 303 23 (7.6) 5,059 206 (4.1) 265 57 (21.5) 5,720 619 (10.8)
2003 904 524 65 (12.4) 10,753 823 (7.7) 253 16 (6.3) 4,853 213 (4.4) 271 49 (18.1) 5,870 606 (10.3)
2004 872 537 64 (11.9) 10,482 801 (7.6) 274 15 (5.5) 4,683 214 (4.6) 263 49 (18.6) 5,789 587 (10.1)
2005 842 507 70 (13.8) 10,062 761 (7.6) 240 18 (7.5) 4,393 188 (4.3) 267 52 (19.5) 5,652 567 (10.0)
2006 845 493 67 (13.6) 9,907 770 (7.8) 203 9 (4.4) 4,126 173 (4.2) 289 57 (19.7) 5,765 596 (10.3)
2007 797 496 71 (14.3) 9,643 714 (7.4) 206 14 (6.8) 3,835 162 (4.2) 288 57 (19.8) 5,754 548 (9.5)
2008 835 429 57 (13.3) 9,303 774 (8.3) 170 13 (7.6) 3,645 188 (5.2) 259 44 (17.0) 5,652 585 (10.4)
2009 763 343 52 (15.2) 8,241 700 (8.5) 116 6 (5.2) 3,100 193 (6.2) 226 46 (20.4) 5,133 507 (9.9)
2010 694 360 63 (17.5) 7,799 624 (8.0) 131 13 (9.9) 2,929 165 (5.6) 229 50 (21.8) 4,864 459 (9.4)
2011 754 343 59 (17.2) 7,544 688 (9.1) 136 9 (6.6) 2,693 173 (6.4) 207 50 (24.2) 4,848 515 (10.6)
2012 686 356 55 (15.4) 7,079 631 (8.9) 127 8 (6.3) 2,519 146 (5.8) 229 47 (20.5) 4,560 485 (10.6)
2013 676 301 48 (15.9) 6,862 623 (9.1) 98 8 (8.2) 2,284 132 (5.8) 203 40 (19.7) 4,573 491 (10.7)
2014 688 336 63 (18.8) 6,740 621 (9.2) 95 5 (5.3) 2,178 162 (7.4) 241 58 (24.1) 4,558 459 (10.1)
2015 685 317 51 (16.1) 6,960 633 (9.1) 100 7 (7.0) 2,191 150 (6.8) 217 44 (20.3) 4,764 482 (10.1)
2016 645 301 56 (18.6) 6,701 585 (8.7) 83 7 (8.4) 2,035 119 (5.8) 218 49 (22.5) 4,662 466 (10.0)
2017 625 274 55 (20.1) 6,415 566 (8.8) 55 3 (5.5) 1,793 99 (5.5) 219 52 (23.7) 4,616 466 (10.1)
2018 605 268 49 (18.3) 6,093 549 (9.0) 50 6 (12.0) 1,722 94 (5.5) 218 43 (19.7) 4,365 455 (10.4)

1Resistance to at least isoniazid. Isolates may be resistant to other drugs. Excludes cases with susceptibility testing not done or unknown for isoniazid. Cases have been susceptibility tested to at least isoniazid and rifampin.
2This column provides an overall total of all INH-resistant cases, including those where previous history of TB is unknown and origin or birth is unknown.
3Excludes cases where previous history of TB is missing or unknown.
4Includes persons born outside the United States or the U.S. territories, except persons born to at least one U.S. citizen parent.

Note: Data for all years updated through June 6, 2019.

Page last reviewed: September 6, 2019