Results from the multiple logistic regression model for culture status
| aOR (95% CI) | p-value | |
| Age | 0.98 (0.96–1.00) | 0.05 |
| Male | 1.13 (0.62–2.07) | 0.67 |
| Clinical characteristics | ||
| Symptoms | 1.79 (1.09–2.96) | 0.02 |
| Duration of symptoms | 2.24 (1.51–3.34) | <0.001 |
| Absence of dyspnoea | 0.85 (0.36–2.00) | 0.71 |
| Antibiotic use | 1.16 (0.77–1.77) | 0.46 |
| Epidemiological risk of acquiring Mycobacterium tuberculosis infection | 1.06 (0.74–1.51) | 0.72 |
| Risk factors for reactivation of LTBI | 1.72 (1.08–2.72) | 0.02 |
| Complete blood count | 2.28 (1.58–3.31) | <0.001 |
aOR: adjusted OR; LTBI: latent tuberculosis infection.