Table 7. Number of patients with extensively drug-resistant tuberculosis of different genotypes, by year, Argentina, 2003–2009.
| Genotype | No. patients in year |
Total no. (%) patients | ||||||
|---|---|---|---|---|---|---|---|---|
| 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | ||
| Cluster M | 5 | 4 | 5 | 2 | 0 | 3 | 2 | 21 (39.6) |
| Cluster Rb | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 (1.9) |
| Cluster At | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 (3.8) |
| Cluster Os | 0 | 0 | 2 | 1 | 2 | 1 | 1 | 7 (13.2) |
| Minor cluster* | 2 | 1 | 3 | 3 | 1 | 1 | 0 | 11 (20.8) |
| Unique pattern | 2 | 2 | 2 | 1 | 1 | 0 | 3 | 11 (20.8) |
| Total | 9 | 8 | 12 | 7 | 4 | 6 | 7 | 53 (100.0) |
*Cluster of <15 patients with newly diagnosed multidrug-resistant tuberculosis during the study period