Table 2 Selected radiomic features in unenhanced and venous phase contrast-enhanced CT.
Images | Features | Coefficient | Mean values | Standard deviation |
|---|---|---|---|---|
Unenhanced | Gldm: dependence variance | − 1.536 | 8.505 | 3.179 |
Shape: minor axis length | − 1.3 | 14.224 | 6.286 | |
Glszm: large area low gray level emphasis | 1.246 | 92.626 | 180.152 | |
Glcm: joint energy | 0.855 | 0.039 | 0.016 | |
Firstorder: robust mean absolute deviation | − 0.663 | 15.17 | 4.222 | |
Gldm: small dependence emphasis | − 0.286 | 0.133 | 0.049 | |
Glszm: large area emphasis | 0.165 | 6895.076 | 17,545.511 | |
Firstorder: mean | 0.032 | 4.817 | 13.971 | |
Venous phase | Glrlm: short run emphasis | − 6.127 | 0.874 | 0.033 |
Glcm: inverse variance | − 5.867 | 0.424 | 0.043 | |
Glrlm: run length non uniformity normalized | − 4.762 | 0.725 | 0.06 | |
Gldm: dependence non uniformity normalized | 4.585 | 0.11 | 0.028 | |
Firstorder: uniformity | 4.35 | 0.16 | 0.039 | |
Ngtdm: strength | 3.139 | 0.733 | 0.672 | |
Gldm: small dependence emphasis | − 2.896 | 0.146 | 0.054 | |
Gldm: dependence variance | − 2.471 | 8.072 | 3.039 | |
Glcm: maximum probability | − 2.061 | 0.071 | 0.032 | |
Glcm: Idn | − 2.042 | 0.908 | 0.017 | |
Glcm: difference variance | − 1.63 | 1.986 | 0.771 | |
Shape: maximum 2D diameter column | − 1.263 | 18.0643 | 7.888 | |
Shape: least axis length | 0.862 | 10.956 | 5.604 | |
Glcm: Idmn | − 0.739 | 0.98 | 0.007 | |
Glszm: large area high gray level emphasis | 0.414 | 716,436.296 | 3,263,740.816 | |
Firstorder: interquartile range | − 0.045 | 39.764 | 11.32 |
