Table 1.

Variables with non-zero coefficients contributing to the final LASSO Cox proportional-hazards model of survival prediction.

Regressor (Significant Predictor)	Tissue	Image	Regression Coefficient
shape_Maximum2DDiameterSlice	Necrosis	T1	−1.56
glszm_ZoneVariance	Non-enhancing	Relative CBF	+2.81
glcm_Idn	Edema	MTT	−7.23
firstorder_Minimum	Enhancing	MD	+2.32
glcm_ClusterShade	Edema	FA	+2.78
glcm_Correlation	Enhancing	FA	+1.87
Age			+4.62

Note: glcm, gray-level co-occurrence matrix; ldn, inverse difference moment; glszm, gray-level size-zone matrix; FA, fractional anisotropy; CBF, cerebral blood flow; MTT mean transit time; MD, mean diffusivity.