TABLE 1.
Two-step cell disruption and MycoEX protocol results
| Organism | Total no. of isolates | No. (%) of isolates after pretreatment resulting in the indicated log score attained using: |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Two-step cell disruption protocol |
MycoEX protocol |
||||||||
| >2.0 | 1.7–1.999 | <1.7 | Incorrect identification | >2.0 | 1.7–1.999 | <1.7 | Incorrect identification | ||
| M. tuberculosis | 32 | 27 | 5 | 0 | 0 | 20 | 5 | 7 | 0 |
| M. avium | 10 | 5 | 5 | 0 | 0 | 3 | 4 | 3 | 0 |
| M. intracellulare | 3 | 3 | 0 | 0 | 0 | 1 | 1 | 1 | 0 |
| M. abscessus | 3 | 3 | 0 | 0 | 0 | 1 | 1 | 1 | 0 |
| M. fortuitum | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 |
| M. scrofulaceum | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 |
| M. africanum | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| M. xenopi | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| M. kumamotonense | 1 | 0 | 0 | 0 | 1a | 0 | 0 | 1 | 0 |
| M. bovis | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Total | 56 | 42 (75) | 11 (20) | 2 (3) | 1 (2) | 27 (48) | 14 (25) | 15 (27) | 0 (0) |
a
One M. kumamotonense isolate was misidentified as M. tuberculosis complex, which is most closely related to the M. terrae complex (1).