TABLE 3.
Pattern of phenotypic drug susceptibility of the 605 M. tuberculosis isolates included in this study
| Resistance profilea | No. of isolates (no. of FQ-R isolates) in: |
Total no. of isolates (no. of FQ-R isolates) | |||||
|---|---|---|---|---|---|---|---|
| 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | ||
| INH-S+RIF-S | 19 (0) | 20 (0) | 20 (0) | 25 (0) | 23 (0) | 25 (1) | 132 (1) |
| INH-R, non-MDR | 15 (0) | 16 (0) | 27 (0) | 27 (0) | 38 (1) | 28 (0) | 151 (1) |
| RIF-R, non-MDR | 1 (0) | 6 (1) | 3 (1) | 4 (0) | 4 (0) | 7 (0) | 25 (2) |
| MDR | 36 (3) | 48 (6) | 38 (10) | 40 (9) | 58 (15) | 77 (23) | 297 (66) |
| XDR | 2 | 2 | 5 | 5 | 6 | 11 | 31 |
| Total | 71 | 90 | 88 | 96 | 123 | 137 | 605 (70) |
a
INH, isoniazid; RIF, rifampin; S, susceptible; R, resistant; MDR, multidrug resistant; XDR, extensively drug resistant (all XDR strains are included within the MDR strains).