Volume 18, Number 11—November 2012
Research
HIV Infection and Geographically Bound Transmission of Drug-Resistant Tuberculosis, Argentina
Table 5
Predictors for being in cluster M among 438 patients with multidrug-resistant TB who were in clusters of >15 patients, Argentina, 2003–2009*
Characteristic | No. patients | % Patients in M cluster | Unadjusted OR (95% CI) | Adjusted OR (95% CI)† |
---|---|---|---|---|
Age, y, n = 347 | ||||
16–45 |
288 | 50.7 | 0.9 (0.5–1.6) | 1.4 (0.5–4.3) |
>45 |
59 | 52.5 | 1 | 1 |
Country of birth, n = 302 | ||||
Argentina |
275 | 51.0 | 0.7 (0.3–1.6) | 0.6 (0.1–2.3) |
Other |
27 | 74.1 | 1 | 1 |
HIV status, n = 360 | ||||
Positive |
194 | 60.3 | 1.6 (1.0–2.4) | 1.4 (0.6–3.3) |
Negative |
166 | 49.4 | 1 | 1 |
Previous TB treatment, n = 304 | ||||
Yes |
160 | 47.5 | 1.0 (0.7–1.6) | 0.8 (0.4–1.8) |
No |
144 | 46.5 | 1 | 1 |
Hospital exposure‡ | ||||
Yes |
86 | 72.1 | 2.9 (1.7–4.8) | 2.6 (1.0–6.8) |
No |
352 | 47.2 | 1 | 1 |
Isolate resistant to | ||||
>5 drugs |
207 | 88.4 | 31.5 (18.4–53.9) | 22.7 (10.1–50.9) |
<5 drugs |
231 | 19.5 | 1 | 1 |
*Boldface indicates significance. TB, tuberculosis; OR, odds ratio.
†Overall model fit p < 0.0001. Hosmer & Lemeshow test p = 0.899, area under the receiver operating characteristic curve 0.854.
‡Previous hospitalization(s), concomitant condition, or health care worker.
1Additional members of the National TB Laboratory Network who contributed data are listed at the end of this article.