Variable | Patients with treatment success | Patients with treatment failure | P value |
---|---|---|---|
(n = 37) | (n = 35) | ||
Age, years | 60.3 ± 11.4 | 63.3 ± 8.8 | 0.34 |
Gender, female (%) | 28 (75.7) | 26 (74.3) | 0.89 |
Underlying disease | |||
Lung disease | 7 (18.9) | 12 (34.3) | 0.14 |
COPD | 1 (2.7) | 3 (8.6) | 0.35 |
Asthma | 2 (5.4) | 2 (5.7) | >0.99 |
Previous tuberculosis | 2 (5.4) | 3 (8.6) | 0.67 |
Previous malignant disease | 8 (21.6) | 4 (11.4) | 0.25 |
Diabetes mellitus | 3 (8.1) | 3 (8.6) | >0.99 |
Collagen vascular disease | 3 (8.1) | 6 (17.1) | 0.30 |
Use of immunosuppressive agents | 1 (2.7) | 4 (11.4) | 0.19 |
Use of inhaled corticosteroid | 1 (2.7) | 1 (2.9) | >0.99 |
Smoking status (ex or current) | 8 (21.6) | 6 (17.1) | 0.63 |
Alcohol drinking habit | 8 (21.6) | 9 (25.7) | 0.78 |
Environmental exposure | |||
Low soil exposure before treatment | 31 (83.8) | 20 (57.1) | 0.01 |
Low soil exposure after the start of treatment | 35 (94.6) | 15 (42.9) | 0.0002 |
Low soil exposure during observation | 31 (83.8) | 16 (45.7) | 0.0007 |
Bathing (≥1 per day) | 35 (94.6) | 33 (94.3) | >0.99 |
Shower use in a bathroom | 29 (78.4) | 26 (74.3) | 0.68 |
Swimming in a pool | 2 (5.4) | 0 (0.0) | 0.49 |
Laboratory findings | |||
Negative smear | 27 (73.0) | 17 (48.6) | 0.03 |
M. avium | 26 (70.3) | 30 (85.7) | 0.23 |
M. intracellulare | 10 (27.0) | 5 (14.3) | |
M. avium + M. intracellulare | 1 (2.7) | 0 (0.0) | |
Radiographic findings | |||
Any size of cavity | 18 (48.6) | 17 (48.6) | >0.99 |
Large cavity (≥2 cm) | 6 (16.2) | 9 (25.7) | 0.32 |
Bronchiectasis | 34 (91.9) | 31 (88.6) | 0.71 |
Total length of follow-up time, months | 53.8 ± 20.8 | 53.8 ± 19.5 | 0.90 |