Sex
|
Male/Female |
146 (57%)/112 (43%) |
Median age (year) |
59 (range 30–81) |
Smoking history
|
Current or Former/Never |
117 (45%)/141 (55%) |
Clinical stage
|
I/II/III/IV |
160 (62%)/23 (9%)/66 (26%)/9 (3%) |
Histology subtype
|
Minimally invasive adenocarcinoma |
3 (1%) |
Acinar predominant |
109 (42%) |
Lepidic predominant |
60 (23%) |
Papillary predominant |
20 (8%) |
Micropapillary predominant |
12 (5%) |
Solid predominant |
49 (19%) |
Variants of invasive adenocarcinomas |
5 (2%) |
Tumor grade
|
Low/Intermediate/High |
3 (1%)/189 (73%)/66 (26%) |
CT Scanners
|
Siemens |
|
Somatom Sensation 64 |
30 (12%) |
GE scanner |
|
Lightspeed 16/Discovery CT750 HD |
35 (14%)/193(75%) |
Binary semantic features
|
Cavitation (score: 0/1) |
106 (41%)/152 (59%) |
Air Bronchogram (score: 0/1) |
116 (45%)/142 (55%) |
Calcification (score: 0/1) |
229 (89%)/29(11%) |
Categorical Semantic features
|
Texture (score: 1/2/3) |
6 (2%)/68 (26%)/184 (71%) |
Border definition (score: 1/2/3) |
13 (5%)/178 (69%)/67 (26%) |
Contour (score: 1/2/3/4) |
17 (7%)/26 (10%)/166 (64%)/49 (19%) |
Lobulation (score: 1/2/3/4) |
10 (4%)/115 (45%)/102 (40%)/31 (12%) |
Spiculation (score: 1/2/3) |
63 (24%)/85 (33%)/110 (43%) |
Concavity (score: 1/2/3) |
9 (4%) /156 (61%)/93 (36%) |