Table 2.

Relative feature importance for the 4 best predicted glioblastoma genetic biomarkers.

Rank	Feature	Relative importance
ATRX mutation
1	T1gad mean tumor core	1.00
2	MD kurtosis non-enhancing tumor	0.77
3	T1 range tumor core	0.52
4	T1gad mean whole tumor	0.51
IDH mutation
1	DWI high gray level emphasis non-enhancing tumor	1.00
2	MD kurtosis tumor edema	0.89
3	T1gad variance whole tumor	0.78
4	T1 kurtosis non-enhancing tumor	0.78
Chromosome 7/10 aneuploidy
1	FLAIR size zone non-uniformity enhancing tumor	1.00
2	T1 zone variance tumor edema	0.56
3	Elongation of enhancing tumor	0.55
4	T1gad 90th percentile whole tumor	0.44
CDKN2 loss
1	T1 small area low gray level emphasis tumor edema	1.00
2	ASL contrast tumor core	0.96
3	T2 zone entropy tumor edema	0.77
4	T2 small area high gray level emphasis enhancing tumor	0.48