Table 1 Tuberculin skin test (TST) result and characteristics of selected culture-confirmed TB cases reported in the United States, 1993–2010 (N = 64,238)
From: Association between tuberculin skin test result and clinical presentation of tuberculosis disease
TST 0–4 mm | TST 5–9 mm | TST 10–14 mm | TST ≥ 15 mm | P-value* | ||
|---|---|---|---|---|---|---|
(n,%) | (n,%) | (n,%) | (n,%) | |||
Total | 10,181 (15.9) | 1,635 (2.6) | 14,049 (21.9) | 38,737 (59.7) | ||
Age | ||||||
0–4 | 52 (9.3) | 30 (5.4) | 169 (30.2) | 308 (55.1) | < 0.001 | |
5–14 | 29 (5.7) | 9 (1.8) | 102 (20.0) | 369 (72.5) | ||
15–24 | 658 (7.6) | 213 (2.5) | 1,891 (21.8) | 5,923 (68.2) | ||
25–44 | 4,288 (15.0) | 656 (2.3) | 6,235 (21.8) | 17,450 (61.0) | ||
45–64 | 3,310 (18.0) | 496 (2.7) | 4,086 (22.2) | 10,486 (57.1) | ||
65+ | 1,839 (24.6) | 230 (3.1) | 1,563 (20.9) | 3,831 (51.3) | ||
Sex | ||||||
Male | 7,445 (17.5) | 1,149 (2.7) | 9,483 (22.3) | 24,441 (57.5) | < 0.001 | |
Female | 2,731 (12.6) | 485 (2.2) | 4,563 (21.0) | 13,916 (64.1) | ||
Race/ethnicity | ||||||
Hispanic | 2,203 (14.7) | 404 (2.7) | 3,500 (23.4) | 8,856 (59.2) | < 0.001 | |
American Indian | 114 (14.0) | 20 (2.5) | 133 (16.3) | 550 (67.3) | ||
Asian | 673 (6.9) | 255 (2.6) | 2,153 (22.2) | 6,630 (68.3) | ||
Black | 4,164 (16.7) | 529 (2.1) | 5,162 (20.7) | 15,113 (60.5) | ||
Native Hawaiian | 46 (6.8) | 18 (2.7) | 158 (23.3) | 455 (67.2) | ||
White | 2,944 (23.1) | 400 (3.1) | 2,870 (22.5) | 6,546 (51.3) | ||
Birthplace | ||||||
US-born | 6,853 (19.8) | 881 (2.5) | 7,438 (21.4) | 19,530 (56.3) | < 0.001 | |
Foreign-born | 3,328 (11.3) | 754 (2.6) | 6,611 (22.4) | 18,843 (63.8) | ||
HIV status | ||||||
Negative | 6,997 (12.5) | 1,409 (2.5) | 12,358 (22.1) | 35,131 (62.9) | < 0.001 | |
Positive | 3,184 (38.2) | 226 (2.7) | 1,691 (20.3) | 3,242 (38.9) | ||
Clinical presentation of disease | ||||||
Miliary | 422 (36.7) | 43 (3.7) | 221 (19.2) | 465 (40.4) | < 0.001 | |
Pulmonary/extrapulmonary | 1,010 (22.9) | 120 (2.7) | 869 (19.7) | 2,406 (54.6) | ||
Extrapulmonary | 1,261 (13.8) | 207 (2.3) | 1,870 (20.4) | 5,831 (63.6) | ||
Non-cavitary pulmonary | 5,061 (16.4) | 769 (2.5) | 6,805 (22.0) | 18,268 (59.1) | ||
Cavitary pulmonary | 2,427 (13.0) | 496 (2.7) | 4,284 (23.0) | 11,403 (61.3) | ||
Sputum smear | ||||||
Negative | 3,350 (13.7) | 570 (2.3) | 5,138 (21.0) | 15,384 (62.9) | < 0.001 | |
Positive | 5,111 (16.4) | 854 (2.7) | 7,058 (22.6) | 18,147 (58.2) | ||