Table 1 Clinical and radiologic characteristics of the study population
n (%) or mean ± SD (range) | |
|---|---|
Patients, n | 44 |
Age (years) | 55.6 ± 9.3 (3–77) |
Sex | |
Male | 13 (29.5) |
Female | 31 (70.5) |
Total number of nodules | 121 |
Nodules per patient, n | 2.75 ± 1.31 (2–8) |
Nodules in each patient, n | |
2 | 28 (63.6) |
3 | 8 (18.2) |
4 | 3 (6.8) |
≥ 5 | 5 (11.4) |
Nodule diameter, mm | 7.67 ± 3.87 (2.57–22.84) |
Distance between outer edge of nodule and pleura, mm | 14.84 ± 14.43 (0–85.82) |
Site of nodule | |
Right upper lobe | 47 (38.8) |
Right middle lobe | 16 (13.2) |
Right lower lobe | 25 (20.7) |
Left upper lobe | 26 (21.5) |
Left lower lobe | 7 (5.8) |
Imaging characteristics | |
Pure GGN | 54 (44.6) |
Pure-solid GGN (GGO ≥ 50%) | 49 (40.5) |
Pure-solid GGN (GGO < 50%) | 8 (6.6) |
Solid nodule | 10 (8.3) |