Table 2.
Working Diagnoses in Patients With Missed TB
| Working Diagnosis, No. (%) | |
|---|---|
| Possible pulmonary TB | 11a (8) |
| Pneumonia | 46 (34) |
| Bacterial | 6 |
| Viral | 6 |
| Fungal | 1 |
| Unknown | 33 |
| Lung metastasis of malignancy | 40 (30) |
| TB sequelae, inactive TB, LTBI | 16 (12) |
| NTM | 7 (5) |
| Inflammatory lesion | 5 (4) |
| Others | 9 (7) |
| Total | 134 |
Abbreviations: LTBI, latent tuberculosis infection; NTM, nontuberculous mycobacterium; TB, tuberculosis.
aThese 11 patients did not receive empirical anti-TB therapy until the results of mycobacterial cultures were available because they had minimal symptoms or they were reluctant to start the treatment immediately due to side effects of drugs.