In vitro antibiotic sensitivities received from UK Mycobacterium Reference Units for the individual nontuberculous mycobacteria isolated in Leeds between 1995–1999
| Isolates sensitive % | Rifampicin | Rifabutin | Isoniazid | Ethambutol | Clarithromycin/azithromycin | Ciprofloxacin |
| Mycobacterium avium complex | 11 | 13 | 0 | 20 | 93 | 7 |
| Mycobacterium malmoense | 32 | 62 | 0 | 61.5 | 87.5 | 12 |
| Mycobacterium kansasii | 82 | 82 | 0 | 75 | 100 | 42 |
| Mycobacterium xenopi # | 67 | 0 | 0 | 33 | 100 | 100 |
| Mycobacterium marinum | 80 | 75 | 0 | 80 | 100 | 25 |
| Others | 0 | 33 | 0 | 33 | 33 | 0 |
#: n=3