TABLE 1.
Baseline characteristics of the participants
|
Characteristic |
Total | Treated as TB | Not TB | P value |
|---|---|---|---|---|
| (n = 272) | (n = 128) | (n = 144) | ||
| Age, yrs ± SDa | 58.8 ± 15.2 | 56.4 ± 16.0 | 60.9 ± 14.1 | 0.014 |
| Male sex, n (%) | 174 (64.0) | 85 (66.4) | 89 (61.8) | 0.43 |
| Symptoms, n (%) | ||||
| Cough | 68 (25.0) | 29 (22.7) | 39 (27.1) | 0.4 |
| Sputum | 47 (17.3) | 17 (13.3) | 30 (20.8) | 0.1 |
| Hemoptysis | 12 (4.4) | 4 (3.1) | 8 (5.6) | 0.33 |
| Fever | 28 (10.3) | 12 (9.4) | 16 (11.1) | 0.64 |
| Night sweat | 6 (2.2) | 2 (1.6) | 4 (2.8) | 0.69 |
| Dyspnea | 15 (5.5) | 7 (5.5) | 8 (5.6) | 0.98 |
| Chest pain | 8 (2.9) | 7 (5.5) | 9 (6.3) | 0.78 |
| General weakness | 16 (5.9) | 2 (1.6) | 6 (4.2) | 0.29 |
| Chest radiograph abnormality, only | 134 (49.3) | 56 (43.8) | 78 (54.2) | 0.09 |
| Previous TB history, n (%) | 52 (19.9) | 21 (16.4) | 31 (21.5) | 0.28 |
| AFB smear positive, n (%) | 46 (16.9) | 35 (27.3) | 11 (7.6) | <0.0001 |
| Mycobacterial culture, TB isolated, n (%) | 93 (34.2) | 93 (72.7) | 0 (0) | <0.0001 |
| IGRA, n (%) | 89 (49.2) | 45 (68.2) | 44 (38.3) | 0.0001 |
| Underlying disease, n (%) | ||||
| Malignant disease | 94 (34.6) | 31 (24.2) | 63 (43.8) | 0.001 |
| Diabetes mellitus | 54 (19.9) | 24 (18.8) | 30 (20.8) | 0.67 |
| Transplant recipient | 13 (4.8) | 8 (6.3) | 5 (3.5) | 0.28 |
| Liver cirrhosis | 12 (4.4) | 5 (3.9) | 7 (4.9) | 0.7 |
| Gastrectomy | 7 (2.6) | 1 (0.8) | 6 (4.2) | 0.13 |
| Rheumatoid disease | 3 (1.1) | 0 (0.0) | 3 (2.1) | 0.25 |
| HIV infection | 1 (0.4) | 1 (0.8) | 0 (0.0) | 0.47 |
a
SD, standard deviation; HIV, human immunodeficiency virus; TB, tuberculosis; IGRA, interferon-gamma release assay.