Table 3.
Comparison of clinical parameters, semiquantitative PET/CT parameters and radiomics features between the two scanners.
| Parameters | p-Value |
|---|---|
| Clinical | |
| Age | 0.787 |
| Sex | 0.522 |
| Diameters at ultrasound | 0.446 |
| Semiquantitative PET/CT parameters | |
| SUVmax | 0.046 |
| SUVmean | 0.118 |
| SUVlbm | 0.119 |
| SUVbsa | 0.076 |
| MTV | 0.595 |
| TLG | 0.869 |
| Radiomics features | |
| Histo skewness | 0.193 |
| Histo kurtosis | 0.924 |
| Histo excess kurtosis | 0.924 |
| Histo entropy_log10 | 0.023 |
| Histo entropy_log2 | 0.024 |
| Histo energy | 0.017 |
| Shape volume_mL | 0.211 |
| Shape volume_vx | 0.560 |
| Shape sphericity | 0.088 |
| Shape compacity | 0.518 |
| GLCM homogeneity | 0.104 |
| GLCM energy | 0.638 |
| GLCM contrast | 0.132 |
| GLCM correlation | 0.889 |
| GLCM entropy_log10 | 0.319 |
| GLCM entropy_log2 | 0.315 |
| GLCM dissimilarity | 0.145 |
| GLRLM SRE | 0.123 |
| GLRLM LRE | 0.113 |
| GLRLM LGRE | 0.026 |
| GLRLM HGRE | 0.069 |
| GLRLM SRLGE | 0.036 |
| GLRLM SRHGE | 0.069 |
| GLRLM LRLGE | 0.098 |
| GLRLM LRHGE | 0.135 |
| GLRLM GLNU | 0.260 |
| GLRLM RLNU | 0.962 |
| GLRLM RP | 0.126 |
| NGLDM coarseness | 0.471 |
| NGLDM contrast | 0.476 |
| NGLDM busyness | 0.006 |
| GLZLM SZE | 0.017 |
| GLZLM LZE | 0.168 |
| GLZLM LGZE | 0.053 |
| GLZLM HGZE | 0.086 |
| GLZLM SZLGE | 0.069 |
| GLZLM SZHGE | 0.041 |
| GLZLM LZLGE | 0.102 |
| GLZLM LZHGE | 0.561 |
| GLZLM GLNU | 0.366 |
| GLZLM ZLNU | 0.026 |
| GLZLM ZP | 0.093 |