Table 1 Dataset demographics
Test dataset | |
|---|---|
Male | 153 |
Female | 159 |
Mean age ± standard deviation (years ± SD) | 61.6 ± 11.4 |
Total no. of radiographs | 312 |
Total no. of cancers | 59 |
Size | |
 Average ± SD [mm] | 17.9 ± 6.28 |
 ≦10 mm | 7 (12%) |
 11–20 mm | 33 (56%) |
 21–30 mm | 19 (32%) |
Laterality | |
 Right | 39 (66%) |
 Left | 20 (34%) |
Location | |
 Upper | 23 (39%) |
 Middle | 31 (53%) |
 Lower | 5 (8%) |
Overlap | |
 Heart | 2 (3%) |
 Clavicle | 6 (10%) |
 Diaphragm | 1 (2%) |
 Hilar vessels | 3 (5%) |
Manufacturer (% radiographs with cancer) | |
 FUJIFILM | 6/89 (7%) |
 KONICA | 31/113 (27%) |
 Philips | 22/110 (20%) |