Table 3.
Chest Computed Tomography Features of the 230 Immunocompromised Patients With Pauci-Bacillary Pulmonary TB
| Missed TB (n = 111a) | Not-Missed TB (n = 119a) | P Value | |
|---|---|---|---|
| Dominant lobe | |||
| Upper lobe | 62 (56) | 84 (71) | .02 |
| Middle or lower lobe | 38 (34) | 30 (25) | .13 |
| Centrilobular nodules (<1 cm) with segmental distribution | 92 (83) | 107 (90) | .12 |
| With tree-in-bud appearance | 44 (40) | 78 (66) | <.001 |
| Bronchial wall thickening (or bronchiolar) | 79 (71) | 91 (77) | .36 |
| Macronodules >1 cm and <3 cm | 58 (52) | 78 (66) | .04 |
| With cavity | 14 (13) | 30 (25) | .02 |
| With necrotic lower attenuation | 34 (31) | 38 (32) | .93 |
| Mass >3 cm | 3 (3) | 11 (9) | .04 |
| With cavity | 3 (3) | 7 (6) | .34 |
| With necrotic lower attenuation | 1 (1) | 7 (6) | .07 |
| Airspace consolidation | 39 (35) | 43 (36) | .87 |
| With cavity | 8 (7) | 15 (13) | .17 |
| With air bronchogram | 29 (26) | 34 (28) | .68 |
| With necrotic lower attenuation | 11 (10) | 28 (24) | .006 |
| Ground-glass opacity | 18 (16) | 31 (26) | .07 |
| Miliary nodules | 2 (2) | 11 (9) | .02 |
| Lymphadenopathy >1 cm short diameter | 10 (9) | 41 (35) | <.001 |
| With necrosis | 2 (2) | 12 (10) | .009 |
| Pleural effusion | 9 (8) | 35 (29) | <.001 |
| Previous TB sequelae | 63 (57) | 59 (50) | .28 |
Abbreviations: CT, computed tomography; TB, tuberculosis.
aTwenty-three of 134 missed TB patients and 5 of 124 not-missed TB patients were excluded because they did not undergo chest CT scan.