Table 1 Clinical characteristics of patients in the training and test groups
Training | Test | |||||
|---|---|---|---|---|---|---|
Benign | Malignant | P-value | Benign | Malignant | P-value | |
N | 26 | 72 | 16 | 25 | ||
Age | 48.6 ± 13.6 | 56.8 ± 10.6 | 0.002 | 48.6 ± 13.7 | 60.4 ± 10.9 | 0.004 |
Diameter(cm) | 3.6 ± 2.5 | 3.9 ± 1.9 | 0.579 | 3.6 ± 2.6 | 4.8 ± 2.9 | 0.197 |
Gender | 0.368 | 0.901 | ||||
Male | 14 (53.8%) | 46 (63.9%) | 8 (50.0%) | 12 (48.0%) | ||
Female | 12 (46.2%) | 26 (36.1%) | 8 (50.0%) | 13 (52.0%) | ||
Location | 0.684 | 0.236 | ||||
Upper lobes | 10 (38.5%) | 31 (43.1%) | 3 (18.8%) | 9 (36.0%) | ||
Other lobes | 16 (61.5%) | 41 (56.9%) | 13 (81.2%) | 16 (64.0%) | ||
Smoke | 0.733 | 0.354 | ||||
Nonsmokers | 16 (61.5%) | 47 (65.3%) | 10 (62.5%) | 19 (76.0%) | ||
Smokers | 10 (38.5%) | 25 (34.7%) | 6 (37.5%) | 6 (24.0%) | ||