Reported Tuberculosis in the United States, 2017
Table 14. Sputum Culture Conversion: United States, 2010–2015
| Year | Total Sputum Culture Positive 1 | Sputum Culture Conversion Documented 2 | Sputum Culture Conversion Not Documented 3 | Sputum Culture Conversion Unknown | Reason Sputum Culture Conversion Not Documented | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cannot Produce Sputum | Sputum Not Collected | Died | Refused | Lost to Follow-up | Other | Unknown | |||||||||||||||
| No. | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | |
| 2010 | 5,774 | 4,966 | (86.0) | 721 | (12.5) | 87 | (1.5) | 70 | (9.7) | 175 | (24.3) | 243 | (33.7) | 12 | (1.7) | 40 | (5.5) | 141 | (19.6) | 40 | (5.5) |
| 2011 | 5,653 | 4,910 | (86.9) | 706 | (12.5) | 37 | (0.7) | 60 | (8.5) | 158 | (22.4) | 254 | (36.0) | 5 | (0.7) | 39 | (5.5) | 162 | (22.9) | 28 | (4.0) |
| 2012 | 5,286 | 4,600 | (87.0) | 603 | (11.4) | 83 | (1.6) | 55 | (9.1) | 164 | (27.2) | 206 | (34.2) | 4 | (0.7) | 24 | (4.0) | 120 | (19.9) | 30 | (5.0) |
| 2013 | 5,237 | 4,616 | (88.1) | 574 | (11.0) | 47 | (0.9) | 46 | (8.0) | 117 | (20.4) | 226 | (39.4) | 12 | (2.1) | 22 | (3.8) | 132 | (23.0) | 19 | (3.3) |
| 2014 | 5,165 | 4,611 | (89.3) | 511 | (9.9) | 43 | (0.8) | 28 | (5.5) | 121 | (23.7) | 217 | (42.5) | 9 | (1.8) | 18 | (3.5) | 97 | (19.0) | 21 | (4.1) |
| 2015 | 5,278 | 4,644 | (88.0) | 519 | (9.8) | 115 | (2.2) | 47 | (9.1) | 120 | (23.1) | 204 | (39.3) | 6 | (1.2) | 18 | (3.5) | 85 | (16.4) | 39 | (7.5) |
1 Among persons who were alive at diagnosis and had positive sputum culture.
2 Among persons who had sputum culture conversion documented at any time.
3 Among persons who were alive at diagnosis, had positive culture, and did not have documented culture conversion (excludes patients with unknown culture conversion).
Page last reviewed: October 22, 2018