Clinical data of patients withMycobacterium avium complex (MAC)-positive cultures
| MAC disease | MAC-culture positive | |
| Subjects n | 33 | 14 |
| Sex male/female | 1/32 | 0/14 |
| Age yrs | 65.3±10.6 | 71.4±6.0 |
| BMI kg·m−2 | 19.2±3.0 | 18.5±2.2 |
| Cigarette smoking | 0 | 1 |
| Alcohol abuse | 0 | 0 |
| Past history of major surgery | 15 (45.5) | 4 (28.5) |
| ESR mm·h−1 | 33.2±24.7 | 26.7±17.3 |
| MAC species | ||
| M. avium | 21 | 12 |
| M. intracellulare | 9 | 2 |
| Both | 3 | 0 |
Data are presented as n or mean±sd. BMI: body mass index; ESR: erythrocyte sedimentation rate.