Table 3 Comparison of characteristics in NTM patients with frail status and robust status
| Â | NTM patients with frail | NTM patients with robust | P value |
|---|---|---|---|
n = 16 | n = 17 | ||
Age | 73.2 ± 8.1 | 62.4 ± 10.7 | 0.0089 |
Sex (female) | 11 (68.8) | 14 (82.4) | 0.44 |
BMI | 18.7 ± 2.6 | 19.4 ± 2.1 | 0.3 |
Smoking status | 3 (18.8) | 1 (5.9) | 0.335 |
Underlying disease | |||
 COPD | 1 (6.3) | 0 (0.0) | 0.485 |
 History of tuberculosis | 0 (0.0) | 1 (5.9) | 0.99 <  |
 History of malignant disease | 0 (0.0) | 1 (5.9) | 0.99 <  |
 Autoimmune disease | 0 (0.0) | 1 (5.9) | 0.99 <  |
Infected NTM strain | |||
 M. avium | 5 (31.3) | 10 (58.8) | - |
 M. intracellulare | 5 (31.3) | 4 (23.5) | - |
 M. avium + M. intracellulare | 1 (6.3) | 2 (11.8) | - |
 M. abscessus | 4 (25.0) | 0 (0.0) | - |
 Others | 1 (6.3) | 1 (5.9) |  |
HRCT findings | |||
 Nodular-bronchiectatic (NB) | 9 (56.3) | 15 (88.2) | 0.057 |
 Combined NB + Fibro-cavitary | 5 (31.3) | 1 (5.9) | 0.042 |
 Unclassifieda | 2 (12.5) | 1 (5.9) | 0.601 |
Thoracic abnormality | |||
 Scoliosis | 6 (37.5) | 4 (23.5) | 0.47 |
 Pectus excavatum | 1 (6.3) | 0 (0.0) | 0.49 |