Distribution of respiratory nontuberculous mycobacteria (NTM) isolates.
| Laboratories | Patients with NTM isolated | MAC isolates# | |
| Europe | 43 | 6803 | 2500 (36.9) |
| North America | 4 | 4913 | 2553 (52.0) |
| South America | 3 | 393 | 123 (31.3) |
| Australia (Queensland) | 1 | 453 | 322 (71.1) |
| Asia | 3 | 1974 | 1062 (53.8) |
| South Africa | 2 | 5646 | 2849 (50.5) |
| Total | 56 | 20 182 | 9421 (46.7) |
Data are presented as n or n (%). MAC: Mycobacterium avium complex. #: percentage of all NTM. Reproduced with permission [11].