TABLE 2.
Summary of radiomic features of PPF and intratumoral radiomics signatures.
| Radiomics signatures | MRI sequences | Radiomics features | Coef. |
|---|---|---|---|
| PPF radiomics signature | T2WI | Wavelet.HLH_glcm_MCC | −2.948 |
| T2WI | Wavelet.HLL_glcm_Correlation | −0.354 | |
| T2WI | Wavelet.LLH_glszm_SizeZoneNonUniformityNormalized | −0.981 | |
| T2WI | Wavelet.HHL_glcm_Correlation | −1.045 | |
| T2WI | Wavelet.LLH_gldm_LargeDependenceLowGrayLevelEmphasis | 2.223 | |
| ADC | Original_ngtdm_Busyness | −0.756 | |
| Intratumoral radiomics signature | T2WI | Original_shape_Elongation | 1.443 |
| T2WI | Wavelet.LLH_glcm_Correlation | 0.987 | |
| ADC | Wavelet.HHL_glszm_SmallAreaHighGrayLevelEmphasis | 0.918 | |
| T2WI | Original_shape_MinorAxisLength | 1.426 | |
| T2WI | Wavelet.LHH_firstorder_InterquartileRange | −0.380 | |
| T2WI | Wavelet.LLH_glszm_SizeZoneNonUniformityNormalized | −2.589 |
Abbreviations: ADC, apparent‐diffusion coefficient; Coef, coefficient; GLCM, gray‐level co‐occurrence matrix; GLSZM, gray‐level size zone matrix; MRI, magnetic resonance imaging; PPF, periprostatic fat; NGTDM, neighboring gray tone difference matrix; T2WI, T2‐weighted imaging.