Risk factors for recurrent tuberculosis
| OR (95% CI)# | p-value | |
| Demographic | ||
| Age | 1.0 (0.9–1.0) | ns |
| Sex | 1.7 (0.2–17.2) | ns |
| Epidemiological | ||
| Drug abuse | 13.2 (5.9–29.9) | <0.001 |
| AIDS | 2.8 (1.5–5.4) | <0.001 |
| Alcohol abuse | 8.6 (4.1–17.8) | <0.001 |
| Smoking | 49.1 (19.8–125.6) | <0.001 |
| Diagnostic | ||
| Chest radiography showing cavitary lesion | 1.9 (1.0–3.5) | <0.05 |
| Positive acid-fast direct smear | 0.8 (0.4–1.5) | ns |
OR: odds ratio; CI: confidence interval; ns: nonsignificant. #: adjusted by linear regression analysis.