Table 2.
The symptoms and radiological findings in different AFB status
| AFB positive | AFB negative | Univariate | Multivariable | ||
|---|---|---|---|---|---|
| Symptoms and images | (N = 55) No. (%) | (N = 204) No. (%) | p value | p value | OR (95%CI) |
| Cough | 45 (81.8) | 174 (85.3) | 0.527 | ||
| Hemoptysis | 11 (20) | 25 (12.3) | 0.141 | ||
| Purulent sputum | 16 (29.1) | 47 (23.0) | 0.353 | ||
| Fever (<39℃) | 32 (58.2) | 90 (44.1) | 0.064 | ||
| Hyperpyrexia (≥39℃) | 25 (45.5) | 57 (27.9) | 0.013 | 0.010 | 2.29 (1.22–4.29) |
| Night sweating | 8 (14.5) | 27 (13.2) | 0.801 | ||
| Asthenia | 12 (21.8) | 37 (18.1) | 0.536 | ||
| Weight loss | 18 (32.7) | 79 (38.7) | 0.415 | ||
| Chest pain | 14 (25.5) | 53 (26.0) | 0.937 | ||
| Dyspnea | 18 (32.7) | 74 (36.3) | 0.626 | ||
| Anorexia | 29 (52.7) | 79 (38.7) | 0.062 | ||
| Bronchiectasis | 18 (32.7) | 44 (21.6) | 0.085 | 0.038 | 2.06 (1.04–4.06) |
| Nodule(s) >10 mm | 15 (27.3) | 64 (31.4) | 0.434 | ||
| Nodule(s) (3–10 mm) | 46 (83.6) | 161 (78.9) | 0.583 | ||
| Micronodule(s) | 45 (81.8) | 159 (77.9) | 0.533 | ||
| Atelectasis | 18 (32.7) | 66 (32.4) | 0.958 | ||
| Consolidation | 39 (70.9) | 132 (64.7) | 0.389 | ||
| Air bronchogram | 32 (58.2) | 89 (43.6) | 0.055 | ||
| Tree in bud | 2 (3.6) | 14 (6.9) | 0.571 | ||
| Cavity | 11 (20) | 30 (14.7) | 0.340 | ||
| Ground glass opacities | 12 (21.8) | 31 (15.2) | 0.241 | ||
| Calcification | 13 (23.6) | 35 (17.2) | 0.272 | ||
| Fibrous pattern | 32 (58.2) | 138 (67.6) | 0.190 | ||
| Pleural thickening/effusion | 29 (52.7) | 134 (65.7) | 0.077 | ||
| Narrowed lumen | 3 (5.5) | 24 (11.8) | 0.174 | ||
| Bulla | 2 (3.6) | 26 (12.7) | 0.054 | 0.046 | 0.22 (0.05–0.97) |
| Reticular opacities | 2 (3.6) | 14 (6.9) | 0.571 | ||
| Infiltrated patchy | 50 (90.9) | 170 (83.3) | 0.163 | ||
| Lymphadenopathy | 30 (54.5) | 115 (56.4) | 0.676 | ||
| Lymph node calcification | 10 (18.2) | 32 (15.9) | 0.656 | ||
| Lymph node colliquation | 0 (0) | 0 (0) | NA | ||
| Lymph node cavity | 0 (0) | 0 (0) | NA |
AFB = acid-fast bacilli, CI = confidence interval, NA = not available, OR = odds ratio.