TB (n = 41) | Other diseases (n = 35) | P value | |
---|---|---|---|
Homogeneous nodule size* | 30 (73%) | 17 (49%) | .028 |
Dominant distribution | |||
Random | 37 (90%) | 30 (86%) | .794 |
Centrilobular | 2 (5%) | 2 (6%)† | |
Perilymphatic | 2 (5%) | 3 (9%)‡ | |
Profusion (N/cm2) | |||
Upper | 5.2 ± 2.7 | 3.2 ± 2.6 | .002 |
Middle | 5.2 ± 2.6 | 3.1 ± 2.5 | .001 |
Lower | 4.6 ± 2.5 | 2.5 ± 2.5 | .001 |
Overall | 5.0 ± 2.4 | 2.9 ± 2.3 | <.001 |
Sharp margin | 30 (75%) | 20 (57%) | .102 |
Bronchogenic spread of lesion | 23 (56%) | 5 (14%) | <.001 |
Ground-glass opacity extent | |||
None | 20 (49%) | 24 (69%) | .082 |
0–25% | 11 (27%) | 10 (29%) | .866 |
25–100% | 10 (24%) | 1 (3%) | .008 |
Preexisting TB lesion | 5 (12%) | 5 (14%) | 1.000 |
Pleural effusion | 15 (37%) | 10 (29%) | .459 |
Mediastinal lymphadenopathy | 16 (39%) | 20 (57%) | .115 |
Consolidation | 17 (42%) | 16 (46%) | .709 |