Volume 14, Number 6—June 2008
Research
Tuberculosis from Mycobacterium bovis in Binational Communities, United States
Timothy C. Rodwell*
, Marisa Moore†‡, Kathleen S. Moser†, Stephanie K. Brodine§, and Steffanie A. Strathdee*
, Marisa Moore†‡, Kathleen S. Moser†, Stephanie K. Brodine§, and Steffanie A. Strathdee*Table 2
Univariate comparison of Mycobacterium bovis cases relative to M. tuberculosis cases, San Diego County, California, 2001–2005*
| Characteristic | No. (%)†M. bovis cases, n = 132 | No. (%)† M. tuberculosis cases, n = 1,192 | Univariate p value |
|---|---|---|---|
| Sex | 0.15 | ||
| M | 75 (56.8) | 754 (63.2) | |
| F |
57 (43.2) |
438 (36.7) |
|
| Age group, y | <0.001 | ||
| 0–4 | 15 (11.4) | 10 (0.8) | |
| 5–14 | 14 (10.6) | 15 (1.3) | |
| 15–24 | 21 (15.9) | 156 (13.1) | |
| 25–44 | 46 (34.8) | 409 (34.3) | |
| 45–64 | 20 (15.2) | 356 (29.9) | |
| >64 |
16 (12.1) |
246 (20.6) |
|
| Race/ethnicity | <0.001‡ | ||
| Hispanic | 128 (96.9) | 529 (44.3) | |
| White | 3 (2.27) | 151 (12.6) | |
| Asian | 1 (0.75) | 420 (35.2) | |
| Black | 0 | 86 (7.2) | |
| Other |
0 |
6 (1.0) |
|
| Country of birth | <0.001 | ||
| Mexico | 79 (59.8) | 382 (32.0) | |
| United States | 53 (40.2) | 302 (25.3) | |
| Philippines | 0 | 248 (20.8) | |
| Other |
0 |
260 (21.8) |
|
| Previous TB | 0.52 | ||
| Yes | 5 (3.8) | 60 (5.0) | |
| No | 127 (96.2) | 1128 (94.6) | |
| Unknown§ |
0 |
4 (0.3) |
|
| Sputum AFB smear result | 0.16 | ||
| Positive | 40 (30.3) | 590 (49.4) | |
| Negative | 43 (32.5) | 461 (38.6) | |
| Not done§ |
49 (37.1) |
141 (11.8) |
|
| Disease site | <0.001 | ||
| Pulmonary | 71 (53.7) | 1031 (86.4) | |
| Extrapulmonary |
61 (46.2) |
161 (13.5) |
|
| Clinical manifestations | <0.001 | ||
| Single site disease | 84 (63.6) | 1036 (86.9) | |
| Multisite disease |
48 (36.4) |
156 (13.1) |
|
| Chest radiograph lesions | <0.001 | ||
| No lesions | 55 (41.7) | 123 (10.3) | |
| Pulmonary lesions consistent with TB | 75 (56.8) | 1063 (89.2) | |
| Unknown§ |
2 (1.5) |
6 (0.5) |
|
| HIV status | <0.001 | ||
| Negative | 48 (36.4) | 611 (51.3) | |
| Positive | 33 (25.0) | 107 (9.0) | |
| Unknown |
51 (38.6) |
474 (39.8) |
|
| Treatment outcome | 0.02 | ||
| Died before treatment completed | 19 (14.3) | 91 (7.6) | |
| Alive at end of treatment | 102 (77.2) | 913 (76.5) | |
| Unknown | 11 (8.3) | 188 (15.7) |
*TB, tuberculosis; AFB, acid-fast bacillus.
†Percentages do not always add up to 100% due to rounding.
‡Fisher exact p value.
§Not included in χ2 calculation.
