Table 1 Frequency of nodules size and type as described by the reference radiologist (N = 79)
From: Assessment of artificial intelligence-aided computed tomography in lung cancer screening
Variables | Reference radiologist |
|---|---|
No. of total nodules | |
Median (range) | 1 (0–15) |
No. of total nodules (n, %) | |
Absent | 22 (27.8%) |
Present | 57 (72.2%) |
Size of total nodules | |
≤ 6 mm | 29 (36.7%) |
> 6 mm | 28 (35.5%) |
Solid nodules | |
No. of solid nodules | |
Median (range) | 1 (0–13) |
No. of solid nodules (n, %) | |
Absent | 42 (53.1%) |
Present | 37 (46.9%) |
Size of solid nodules | |
≤ 6 mm | 19 (24.1%) |
> 6 mm | 18 (22.8%) |
Subsolid nodules | |
No. of subsolid nodules | |
Median (range) | 1 (0–2) |
No. of subsolid nodules (n, %) | |
Absent | 54 (68.4%) |
Present | 25 (31.6%) |
Size of subsolid nodules | |
≤ 6 mm | 14 (17.7%) |
> 6 mm | 11 (13.9%) |
Calcified nodules | |
No. of calcified nodules | |
Median (range) | 1 (0–1) |
No. of calcified nodules (n, %) | |
Absent | 78 (98.7%) |
Present | 1 (1.3%) |
Size of calcified nodules | |
≤ 6 mm | 1 (1.3%) |
> 6 mm | 0 (0%) |
Characteristics of largest nodule | |
Size | |
Mean ± SD | 15.4 ± 16.8 |
Median (range) | 8 (1–60) |
Site | |
Left side | 16 (20.3%) |
Upper lobe | 12 (15.2%) |
Lower lobe | 4 (5.1%) |
Right side | 41 (51.9%) |
Upper lobe | 23 (29.1%) |
Middle lobe | 3 (3.8%) |
Lower lobe | 15 (19%) |
Shape | |
Irregular | 1 (1.3%) |
Oval | 9 (11.4%) |
Rounded | 37 (46.8%) |
Speculated | 10 (12.6%) |
Special feature | |
Calcium | 1 (1.3%) |
Fat content | 3 (3.8%) |
Lung-RADS | |
1 | 35 (44.3%) |
2 | 13 (16.5%) |
3 | 8 (10.1%) |
4a | 5 (6.3%) |
4b | 14 (17.7%) |
4x | 4 (5.1%) |