Table 1.
Characteristics of patients and pulmonary nodules (N=14).
| Variable | Values | |
| Sex (male), n (%) | 4 (28.6) | |
| Age (y), mean (SD) | 57.2 (9.2) | |
| Smoking history, n (%) | ||
|
|
Nonsmoker | 13 (92.9) |
|
|
Former smoker | 1 (7.1) |
| Nodule size (mm), mean (SD) | 9.3 (5.3) | |
|
|
Tumor size≤10 mm, n (%) | 11 (78.6) |
| Tumor depth (from visceral pleura; mm), mean (SD) | 12.4 (11.8) | |
| Tumor location, n (%) | ||
|
|
Central | 2 (14.3) |
|
|
Peripheral | 12 (85.7) |
|
|
Right upper lobe | 3 (21.4) |
|
|
Right lower lobe | 3 (21.4) |
|
|
Left upper lobe | 5 (35.7) |
|
|
Left lower lobe | 3 (21.4) |
| GGOa ratio≥20%, n (%) | 13 (92.9) | |
| GGO ratio, mean (SD) | 0.6 (0.4) | |
| Hounsfield units, mean (SD; range) | −320.1 (334.9; −737.3 to 106) | |
aGGO: ground-glass opacity.