Variable | Patients without relapse | Patients with relapse | P value |
---|---|---|---|
(n = 37) | (n = 15) | ||
Age, years | 60.3 ± 11.4 | 64.6 ± 5.3 | 0.27 |
Gender, female (%) | 28 (75.7) | 10 (66.7) | 0.51 |
Underlying disease | |||
Lung disease | 7 (18.9) | 5 (33.3) | 0.29 |
COPD | 1 (2.7) | 2 (13.3) | 0.19 |
Asthma | 2 (5.4) | 1 (6.7) | >0.99 |
Previous tuberculosis | 2 (5.4) | 0 (0.0) | >0.99 |
Previous malignant disease | 8 (21.6) | 3 (20.0) | >0.99 |
Diabetes mellitus | 3 (8.1) | 2 (13.3) | 0.62 |
Collagen vascular disease | 3 (8.1) | 3 (20.0) | 0.34 |
Immunosuppressive agents | 1 (2.7) | 1 (6.7) | 0.50 |
Inhaled corticosteroid | 1 (2.7) | 1 (6.7) | 0.50 |
Smoking status (ex or current) | 8 (21.6) | 3 (20.0) | >0.99 |
Alcohol drinking habit | 8 (21.6) | 6 (40.0) | 0.19 |
Environmental exposure | |||
Low soil exposure before treatment | 31 (83.8) | 8 (53.3) | 0.03 |
Low soil exposure after the start of treatment | 35 (94.6) | 7 (46.7) | 0.0003 |
Low soil exposure during observation | 31 (83.8) | 6 (40.0) | 0.005 |
Bathing (≥1 per day) | 35 (94.6) | 15 (100) | >0.99 |
Shower use in a bathroom | 29 (78.4) | 12 (80.0) | 0.90 |
Swimming in a pool | 2 (5.4) | 0 (0.0) | >0.99 |
Laboratory findings | |||
Negative smear | 27 (73.0) | 10 (66.7) | 0.74 |
M. avium | 26 (70.3) | 13 (86.7) | 0.44 |
M. intracellulare | 10 (27.0) | 2 (13.3) | |
M. avium + M. intracellulare | 1 (2.7) | 0 (0.0) | |
Radiographic findings | |||
Any size of cavity | 18 (48.7) | 4 (26.7) | 0.15 |
Large cavity (≥2 cm) | 6 (16.2) | 1 (6.7) | 0.66 |
Bronchiectasis | 34 (91.9) | 12 (80.0) | 0.34 |
Total length of follow-up time, months | 53.8 ± 20.8 | 60.0 ± 22.1 | 0.28 |