Reported Tuberculosis in the United States, 2017

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Table 14. Sputum Culture Conversion: United States, 2010–2015

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