Volume 17, Number 3—March 2011
Research
Tuberculosis Outbreak Investigations in the United States, 2002–2008
Table 1
Characteristics of patients in CDC–investigated TB outbreaks, United States, 2002–2008
| Characteristic |
No. (%) patients |
| Total | 398 (100) |
| Demographics | |
| US-born | 364 (91) |
| Black | 265 (67) |
| Male sex | 259 (65) |
| White | 66 (17) |
| Age <15 y | 50 (13) |
| Hispanic |
31 (8) |
| Clinical signs and outcomes | |
| Pulmonary TB | 333 (84) |
| Cavity on chest radiograph | 122 (37) |
| Sputum acid-fast bacilli smear positive | 204 (61) |
| Sputum culture positive | 284 (85)† |
| Susceptible to first-line tuberculosis medications | 253 (89) |
| Hospitalization | 99 (25) |
| Death | 23 (6) |
*TB, tuberculosis; CDC, Centers for Disease Control and Prevention.
†An additional 10 patients had non-sputum specimens that were culture-positive.


