From: Dual-energy spectral CT characteristics in surgically resected lung adenocarcinoma: comparison between Kirsten rat sarcoma viral oncogene mutations and epidermal growth factor receptor mutations
Characteristics
OR
95% CI
P value
Smoking
0.016
 Never smoked
Reference
NA
 Smoker
7.421
1.451–37.948
CT number at 70 keV
0.938
0.894–0.984
0.009