Table 2.
Correlation between PCR/ESI-MS and reference identifications for the collection of 264 NTM samples
| PCR/ESI-MS identification | Reference identification (no. of isolates)a |
All isolates | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| M. tuberculosis complex | MAI complex | M. abscessus | M. chelonae | M. fortuitum | M. gordonae | M. kansasii | M. simiae | M. szulgai | MAI and M. gordonae | ||
| MTB complex (three PGG variants) | 49 | 49 | |||||||||
| MAI complex | 74 | 74 | |||||||||
| M. avium (three variants) | |||||||||||
| M. intracellulare (six variants) | 76 | 1 | 1 | 78 | |||||||
| M. avium and M. intracellulare | 2 | 2 | |||||||||
| MAI complex sp. | 3 | 3 | |||||||||
| M. chelonae/M. abscessus complex | 14 | 1 | 15 | ||||||||
| M. fortuitum complex (three variants) | 7 | 7 | |||||||||
| M. gordonae (three variants) | 9 | 9 | |||||||||
| M. kansasii | 16 | 16 | |||||||||
| M. simiae | 1 | 1 | |||||||||
| M. szulgai (two variants) | 3 | 3 | |||||||||
| M. intracellulare and M. gordonae | 1 | 1 | |||||||||
| Unique signatures | 1 | 2 | 1 | 2 | 6 | ||||||
| All isolates | 50 | 155 | 16 | 1 | 7 | 10 | 19 | 1 | 3 | 2 | 264 |
a
Results shown in boldface indicate concordant results.