Table 1.
Characteristics of the participants
| ATB (n = 237) | LTBI (n = 38) | NTM (n = 8) | OD (n = 50) | HC (n = 43) | P | |
|---|---|---|---|---|---|---|
| Male (n, %) | 155 (65.4%) | 15 (39.5%) | 5 (62.5%) | 25 (50.0%) | 16 (37.2%) | P < 0.001 |
| Age (year) | 38.0 ± 16.4 | 44.6 ± 13.9 | 48.8 ± 11.0 | 56.3 ± 16.5 | 36.5 ± 12.8 | P < 0.001 |
| EPTB (n, %) | 60 (25.3%) | – | – | – | – | |
| Acid fast | ||||||
| N/A (n, %) | 0 | 38 (100%) | 0 | 0 | 43 (100%) | |
| Negative (n, %) | 144 (60.8%) | 0 | 0 | 50 (100%) | 0 | |
| Positive (n, %) | 93 (39.2%) | 0 | 8 (100%) | 0 | 0 | |
| TB culture | ||||||
| N/A (n, %) | 0 | 38 (100%) | 0 | 3 (6.0%) | 43 (100%) | |
| Negative (n, %) | 48 (20.3%) | 8 (100%) | 47 (94.0%) | 0 | ||
| Positive (n, %) | 189 (79.7%) | 0 | 0 | 0 | 0 | |
| Xpert MTB/RIF | ||||||
| N/A (n, %) | 93 (39.2%) | 38 (100%) | 0 | 50 (100%) | 43 (100%) | |
| Negative (n, %) | 27 (11.4%) | 0 | 8 (100%) | 0 | 0 | |
| Positive (n, %) | 117 (49.4%) | 0 | 0 | 0 | 0 | |
| IGRA | ||||||
| N/A (n, %) | 21 (8.9%) | 0 | 1 (12.5%) | 3 (6.0%) | 0 | |
| Indeterminate (n, %) | 1 (0.4%) | 0 | 0 | 0 | 0 | |
| Negative (n, %) | 10 (4.2%) | 0 | 4 (50.0%) | 47 (94.0%) | 43 (100%) | |
| Positive (n, %) | 205 (86.5%) | 38 (100%) | 3 (37.5%) | 0 | 0 | |
ATB active tuberculosis, EPTB extrapulmonary tuberculosis, LTBI latent tuberculosis infection, NTM non-tuberculous mycobacterium pulmonary disease, HC healthy control, OD other respiratory diseases, N/A not available