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Reported Tuberculosis in the United States, 2017
Table 7. Tuberculosis Cases and Percentages by Case Verification Criterion and Site of Disease: United States, 1993–2017
| Year | Total Cases | Verification Criterion1 | Site of Disease5 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Positive Culture | Positive NAA2 | Positive Smear | Clinical Case Definition | Provider diagnosis | Pulmonary3 | Extrapulmonary4 | |||||||||
| No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | ||
| 1993 | 25,102 | 20,306 | (80.9) | — | — | 185 | (0.7) | 3,088 | (12.3) | 1,523 | (6.1) | 21,153 | (84.3) | 3,940 | (15.7) |
| 1994 | 24,206 | 19,507 | (80.6) | — | — | 189 | (0.8) | 2,917 | (12.1) | 1,593 | (6.6) | 20,318 | (83.9) | 3,886 | (16.1) |
| 1995 | 22,726 | 18,265 | (80.4) | — | — | 189 | (0.8) | 2,749 | (12.1) | 1,523 | (6.7) | 18,887 | (83.1) | 3,834 | (16.9) |
| 1996 | 21,210 | 17,154 | (80.9) | — | — | 131 | (0.6) | 2,607 | (12.3) | 1,318 | (6.2) | 17,387 | (82.0) | 3,814 | (18.0) |
| 1997 | 19,751 | 15,979 | (80.9) | — | — | 155 | (0.8) | 2,411 | (12.2) | 1,206 | (6.1) | 16,239 | (82.2) | 3,509 | (17.8) |
| 1998 | 18,286 | 14,789 | (80.9) | — | — | 155 | (0.8) | 2,253 | (12.3) | 1,089 | (6.0) | 14,801 | (81.0) | 3,483 | (19.0) |
| 1999 | 17,499 | 13,994 | (80.0) | — | — | 172 | (1.0) | 2,103 | (12.0) | 1,230 | (7.0) | 14,065 | (80.4) | 3,431 | (19.6) |
| 2000 | 16,308 | 13,013 | (79.8) | — | — | 148 | (0.9) | 1,950 | (12.0) | 1,197 | (7.3) | 13,085 | (80.3) | 3,211 | (19.7) |
| 2001 | 15,945 | 12,750 | (80.0) | — | — | 123 | (0.8) | 1,886 | (11.8) | 1,186 | (7.4) | 12,724 | (79.8) | 3,217 | (20.2) |
| 2002 | 15,055 | 11,974 | (79.5) | — | — | 104 | (0.7) | 1,822 | (12.1) | 1,155 | (7.7) | 11,901 | (79.1) | 3,148 | (20.9) |
| 2003 | 14,835 | 11,683 | (78.8) | — | — | 116 | (0.8) | 1,783 | (12.0) | 1,253 | (8.4) | 11,805 | (79.6) | 3,020 | (20.4) |
| 2004 | 14,499 | 11,327 | (78.1) | — | — | 80 | (0.6) | 1,824 | (12.6) | 1,268 | (8.7) | 11,524 | (79.5) | 2,971 | (20.5) |
| 2005 | 14,065 | 10,957 | (77.9) | — | — | 96 | (0.7) | 1,797 | (12.8) | 1,213 | (8.6) | 11,125 | (79.1) | 2,934 | (20.9) |
| 2006 | 13,727 | 10,744 | (78.3) | — | — | 93 | (0.7) | 1,629 | (11.9) | 1,261 | (9.2) | 10,852 | (79.1) | 2,872 | (20.9) |
| 2007 | 13,280 | 10,425 | (78.5) | — | — | 69 | (0.5) | 1,496 | (11.3) | 1,290 | (9.7) | 10,590 | (79.8) | 2,687 | (20.2) |
| 2008 | 12,889 | 10,020 | (77.7) | 18 | (0.1) | 60 | (0.5) | 1,547 | (12.0) | 1,244 | (9.7) | 10,233 | (79.4) | 2,652 | (20.6) |
| 2009 | 11,514 | 8,880 | (77.1) | 57 | (0.5) | 73 | (0.6) | 1,777 | (15.4) | 727 | (6.3) | 9,004 | (78.3) | 2,496 | (21.7) |
| 2010 | 11,100 | 8,412 | (75.8) | 107 | (1.0) | 69 | (0.6) | 1,867 | (16.8) | 645 | (5.8) | 8,676 | (78.2) | 2,420 | (21.8) |
| 2011 | 10,504 | 8,084 | (77.0) | 121 | (1.2) | 61 | (0.6) | 1,676 | (16.0) | 562 | (5.4) | 8,323 | (79.3) | 2,177 | (20.7) |
| 2012 | 9,935 | 7,626 | (76.8) | 118 | (1.2) | 38 | (0.4) | 1,639 | (16.5) | 514 | (5.2) | 7,845 | (79.0) | 2,080 | (21.0) |
| 2013 | 9,561 | 7,368 | (77.1) | 149 | (1.6) | 47 | (0.5) | 1,510 | (15.8) | 487 | (5.1) | 7,582 | (79.3) | 1,976 | (20.7) |
| 2014 | 9,398 | 7,232 | (77.0) | 161 | (1.7) | 45 | (0.5) | 1,493 | (15.9) | 467 | (5.0) | 7,462 | (79.5) | 1,929 | (20.5) |
| 2015 | 9,547 | 7,418 | (77.7) | 174 | (1.8) | 44 | (0.5) | 1,466 | (15.4) | 445 | (4.7) | 7,633 | (80.0) | 1,910 | (20.0) |
| 2016 | 9,253 | 7,171 | (77.5) | 188 | (2.0) | 37 | (0.4) | 1,381 | (14.9) | 476 | (5.1) | 7,370 | (79.8) | 1,871 | (20.2) |
| 2017 | 9,105 | 7,111 | (78.1) | 226 | (2.5) | 38 | (0.4) | 1,284 | (14.1) | 446 | (4.9) | 7,204 | (79.2) | 1,887 | (20.8) |
1 Based on the public health surveillance case definition for tuberculosis; see Appendix A.
2 Nucleic Acid Amplification test. Information not collected before 2008.
3 Includes all cases among persons with pulmonary as the only site of disease, and persons with both pulmonary and extrapulmonary sites of disease.
4 Includes cases among persons with extrapulmonary TB disease only.
5 Excludes missing and unknowns.
Note: See Technical Notes.
Data for all years updated through June 1, 2018.