Table 3 Diagnosis, systemic involvement and risk factors for tuberculosis (n = 49 persons)
Variable | Number of patients (%) |
|---|---|
Criteria used for diagnosis of tuberculosis | |
•Consistent ocular signs | 49 (100 %) |
•Positive response to antituberculous treatment | 44 (89.8 %) |
•Positive Mantoux reaction | 38 (77.6 %) |
•Positive IFN-gamma release assay | 10 (20.4 %) |
•Active or old lesion(s) consistent with pulmonary tuberculosis on chest imaging | 4 (8.2 %) |
•Identification of acid-fast bacilli by microscopy or culture | |
•Extraocular | 3 (6.1 %) |
•Intraocular | 0 (0 %) |
•Positive M. tuberculosis PCR from ocular fluid | 0 (0 %) |
Systemic involvements | |
•Pulmonary | 8 (16.3 %) |
•Central nervous system: meningeal | 4 (8.2 %) |
•Lymphatic | 4 (8.2 %) |
•Othera | 2 (4.1 %) |
•None | 31 (63.3 %) |
Risk factors | |
•Lived in or travel to an endemic area | 34 (69.4 %) |
•Personal or family history of tuberculosis | 9 (18.4 %) |
•Diabetes mellitus | 5 (10.2 %) |
•Health care worker | 1 (2.1 %) |
•Malignancy | 1 (2.1 %) |