Table 6. Characteristics of 53 patients with extensively drug-resistant TB, Argentina 2003–2009*.
| Characteristic | No. patients | % In cluster | % In major cluster |
|---|---|---|---|
| Sex | |||
| M | 29 | 79.3 | 58.6 |
| F | 24 | 75.0 | 58.3 |
| Age group, y | |||
| 15–29 | 16 | 81.3 | 50.0 |
| 30–44 | 24 | 75.0 | 66.7 |
| >45 | 8 | 87.5 | 50.0 |
| Unknown (adult) | 5 | 60.0 | 60.0 |
| Country of birth | |||
| Argentina | 30 | 76.7 | 53.3 |
| Other (South America)† | 11 | 81.8 | 63.6 |
| Unknown (South America)‡ | 11 | 81.8 | 72.7 |
| Indonesia | 1 | 0 | 0 |
| Place of diagnosis | |||
| Former MDR TB hot spot | 31 | 74.2 | 71.0 |
| Other | 22 | 81.8 | 40.9 |
| HIV status | |||
| Positive | 14 | 85.7 | 78.6 |
| Negative | 33 | 75.8 | 54.5 |
| Unknown | 6 | 66.7 | 33.3 |
| Site of disease | |||
| Pulmonary | 49 | 81.6 | 61.2 |
| Disseminated | 3 | 33.3 | 33.3 |
| Unknown | 1 | 0 | 0 |
| Previous TB | |||
| Yes | 38 | 71.1 | 50.0 |
| No | 10 | 90.0 | 70.0 |
| Unknown | 5 | 100.0 | 100.0 |
| AFB smear microscopy | |||
| Positive | 41 | 78.0 | 56.1 |
| Negative | 7 | 71.4 | 57.1 |
| Unknown | 5 | 75.0 | 75.0 |
*TB, tuberculosis; MDR, multidrug-resistant; AFB, acid-fast bacilli. †From a country in South America other than Argentina ‡From an unknown country in South America.