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Reported Tuberculosis in the United States, 2020
Table 14. Sputum Culture Conversion: United States, 2010–2018
See Surveillance Slide #65.
| Year | Total Sputum Culture Positive1 | Sputum Culture Conversion Documented2 | Sputum Culture Conversion Not Documented3 | 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 | 5,764 | 4,957 | (86.0) | 720 | (12.5) | 87 | (1.5) | 69 | (9.6) | 174 | (24.2) | 243 | (33.8) | 12 | (1.7) | 40 | (5.6) | 141 | (19.6) | 41 | (5.7) |
| 2011 | 5,647 | 4,907 | (86.9) | 705 | (12.5) | 35 | (0.6) | 60 | (8.5) | 158 | (22.4) | 254 | (36.0) | 5 | (0.7) | 39 | (5.5) | 161 | (22.8) | 28 | (4.0) |
| 2012 | 5,283 | 4,605 | (87.2) | 602 | (11.4) | 76 | (1.4) | 55 | (9.1) | 164 | (27.2) | 205 | (34.1) | 4 | (0.7) | 24 | (4.0) | 120 | (19.9) | 30 | (5.0) |
| 2013 | 5,232 | 4,612 | (88.1) | 574 | (11.0) | 46 | (0.9) | 45 | (7.8) | 117 | (20.4) | 226 | (39.4) | 12 | (2.1) | 22 | (3.8) | 133 | (23.2) | 19 | (3.3) |
| 2014 | 5,165 | 4,614 | (89.3) | 512 | (9.9) | 39 | (0.8) | 28 | (5.5) | 121 | (23.6) | 217 | (42.4) | 10 | (2.0) | 18 | (3.5) | 98 | (19.1) | 20 | (3.9) |
| 2015 | 5,276 | 4,668 | (88.5) | 521 | (9.9) | 87 | (1.6) | 47 | (9.0) | 121 | (23.2) | 207 | (39.7) | 6 | (1.2) | 19 | (3.6) | 83 | (15.9) | 38 | (7.3) |
| 2016 | 5,122 | 4,333 | (84.6) | 710 | (13.9) | 79 | (1.5) | 40 | (5.6) | 114 | (16.1) | 250 | (35.2) | 3 | (0.4) | 22 | (3.1) | 91 | (12.8) | 190 | (26.8) |
| 2017 | 5,108 | 4,425 | (86.6) | 624 | (12.2) | 59 | (1.2) | 42 | (6.7) | 103 | (16.5) | 227 | (36.4) | 6 | (1.0) | 27 | (4.3) | 103 | (16.5) | 116 | (18.6) |
| 2018 | 5,087 | 4,459 | (87.7) | 584 | (11.5) | 44 | (0.9) | 61 | (10.4) | 131 | (22.4) | 225 | (38.5) | 7 | (1.2) | 23 | (3.9) | 97 | (16.6) | 40 | (6.8) |
1Among persons who were alive at diagnosis and had positive sputum culture.
2Among persons who had sputum culture conversion documented at any time.
3Among persons who were alive at diagnosis, had positive culture, and did not have documented culture conversion (excludes patients with unknown culture conversion).
Data complete to 2018.