20 October 2020 : Clinical Research
Use of Radiomics to Predict Response to Immunotherapy of Malignant Tumors of the Digestive System
Zhi Ji1BEF, Yong Cui2ABC, Zhi Peng1DEF, Jifang Gong1CE, Hai-tao Zhu2CD, Xiaotian Zhang1AE, Jian Li1CE, Ming Lu1CF, Zhihao Lu1AD, Lin Shen1AFG*, Ying-shi Sun2AFGDOI: 10.12659/MSM.924671
Med Sci Monit 2020; 26:e924671
Table 3 Constructed models and their extracted CT features.
| Model | First-order gray-level statistical features | Geometric features | Second-order texture features |
|---|---|---|---|
| 1 | Minimum gray valueMeanVarianceGray histogram features (n=3) | 2D_eccentricity3D_surface area | GLCM (n=4)GLRLM (n=6)GLSZM (n=9)NGTDM (n=3) |
| 2 | – | – | GLCM (n=1) |
| 3 | – | 3D_short axis length | GLCM (n=1)GLRLM (n=1) |
| 4 | – | 3D_long axis length | – |