From: Assessment of artificial intelligence-aided computed tomography in lung cancer screening
Variables | Radiologist A | Radiologist B | CAD system | p value |
---|---|---|---|---|
No. of total nodules | ||||
Median (range) | 1 (0–10) | 1 (0–13) | 1 (0–100) | 0.2171 |
Total nodules | ||||
Absent | 39 (49.4%) | 35 (44.3%) | 22 (27.8%) | < 0.001*b |
Present | 40 (50.6%) | 44 (55.7%) | 57 (72.2%) | |
Size of total nodules | ||||
≤ 6 mm | 19 (24.1%) | 23 (29.1%) | 29 (36.7%) | |
> 6 mm | 21 (26.5%) | 21 (26.6%) | 28 (35.5%) | 0.108b |
Solid nodules | ||||
No. of solid nodules | ||||
Median (range) | 1 (0–10) | 0 (0–13) | 1 (0–91) | 0.323a |
Solid nodules | ||||
Absent | 39 (49.4%) | 42 (44.3%) | 32 (40.5%) | 0.105b |
Present | 40 (50.6%) | 37 (55.7%) | 47 (59.5%) | |
Size of solid nodules | ||||
≤ 6 mm | 18 (22.8%) | 20 (30.3%) | 23 (30.4%) | 0.332a |
> 6 mm | 22 (27.8%) | 17 (25.4%) | 24 (29.1%) | |
Subsolid nodules | ||||
No. of subsolid nodules | ||||
Median (range) | 0 (0–1) | 0 (0–2) | 0 (0–9) | 0.005*a |
Subsolid nodules (n, %) | ||||
Absent | 69 (87.4%) | 62 (78.5%) | 54 (68.4%) | 0.002*b |
Present | 10 (12.6%) | 17 (21.5%) | 25 (31.6%) | |
Size of subsolid nodules | ||||
≤ 6 mm | 10 (12.6%) | 11 (13.9%) | 14 (17.7%) | |
> 6 mm | 0 (0%) | 6 (7.6%) | 11 (13.9%) | 0.039*b |
Calcified nodules | ||||
No. of calcified nodules | ||||
Median (range) | 0 (0–1) | 0 (0–1) | 0 (0–1) | 1.00a |
Calcified nodules (n, %) | ||||
Absent | 78 (98.7%) | 78 (98.7%) | 78 (98.7%) | 1.00c |
Present | 1 (1.3%) | 1 (1.3%) | 1 (1.3%) | |
Size of calcified nodules | ||||
≤ 6 mm | 1 (1.3%) | 1 (1.3%) | 1 (1.3%) | 1.00c |
> 6 mm | 0 (0%) | 0 (0%) | 0 (0%) |