Characteristics of lung infections by nontuberculous mycobacteria (NTM), overall and in each decade
| Total | 1st decade# | 2nd decade¶ | p-value | |
| Patients with NTM lung disease | 327 | 257 (78.6%) | 70 (21.4%) | <0.001 |
| NTM species | ||||
| Mycobacterium kansasii | 274 (83.8%) | 236 (91.6%) | 38 (54.3%) | <0.001 |
| Mycobacterium avium complex | 43 (13.1%) | 15 (5.8%) | 28 (40.0%) | |
| Others+ | 10 (3.1%) | 6 (1.8%) | 4 (1.2%) | |
| Age years mean | 56.8±18 | 54±18.6 | 61±16.9 | 0.010 |
| Male | 71.2% | 75.2% | 57.1% | 0.003 |
#: 1997–2006; ¶: 2007–2016; +: Mycobacterium celatum, Mycobacterium abscessus and Mycobacterium xenopi.