Table 1.
Ranking of the selected radiomic features extracted from the 18F-FDG PET, according to association with survival at one year.
| Overall Survival | Progression Free Survival | |||
|---|---|---|---|---|
| Overall Rank | Radiomic Feature | Overall Rank | Radiomic Feature | |
| 1 | GLZLM_LZE | 1 | GLZLM_LZE | |
| 2 | GLZLM_LZHGE | 2 | GLZLM_LZLGE | |
| 3 | GLZLM_ZLNU | 3 | GLZLM_LZHGE | |
| 4 | GLCM_Homogeneity | 4 | CONVENTIONAL_SUVstd | |
| 5 | HISTO_Kurtosis | 5 | GLCM_Entropy_log10 | |
| 6 | GLRLM_GLNU | 6 | NGLDM_Coarseness | |
| 7 | GLRLM_LRHGE | 7 | HISTO_Skewness | |
| 8 | NGLDM_Coarseness | 8 | CONVENTIONAL_TLG | |
| 9 | HISTO_Energy | 9 | HISTO_Entropy_log10 | |
| 10 | GLRLM_SRE | 10 | GLCM_Energy | |
| 11 | HISTO_Entropy_log10 | 11 | CONVENTIONAL_SUVmax | |
| 12 | NGLDM_Contrast | 12 | GLRLM_GLNU | |
| 13 | GLCM_Correlation | 13 | GLRLM_LRHGE | |
| 14 | GLRLM_LGRE | |||
| 15 | GLZLM_SZE | |||
| 16 | HISTO_Skewness | |||
| 17 | GLCM_Contrast | |||
| 18 | CONVENTIONAL_SUVmin | |||
NGLDM: neighborhood grey-level different matrix, GLZLM: grey-level zone length matrix, GLRLM: grey-level run length matrix, HISTO: histogram, LZHGE: long-zone high grey-level emphasis; LZE: long-zone emphasis; LZLGE: long-zone low grey-level emphasis RLNU: run length non-uniformity, ZLNU: zone length non-uniformity; TLG: total lesion glycolysis, GLNU: grey-level non-uniformity, LRHGE: long-run high grey-level emphasis, GLCM: grey-level co-occurrence matrix, SZE: short-zone emphasis, SUV: standard uptake value, std: standard deviation.