Table 3.
Summary of LDCT Screening Results.
| Variables | Parameters | n | (%) |
|---|---|---|---|
| Lung-rads categories | Category 1 or 2 | 195 | (83.7) |
| Category 3 | 17 | (7.3) | |
| Category 4a | 18 | (7.7) | |
| Category 4b ou 4x | 3 | (1.3) | |
| Category modifier S | 10 | (4.3) | |
| Tobacco-related findingsa | Pulmonary emphysema | 128 | (54.9) |
| Bronchial wall thickening | 133 | (57.1) | |
| Coronary arteries calcification | 146 | (62.7) | |
| Invasive diagnosis | Transthoracic percutaneous needle biopsy | 3 | (100) |
| Histology | Adenocarcinoma | 1 | (33.3) |
| Squamous cell carcinoma | 2 | (66.6) | |
| Disease staging | Stage IA | 2 | (66.6) |
| Stage IB | 1 | (33.3) |
asimplified qualitative or semiquantitative classification by thoracic radiologists.