Table 3.

Model fit among three models

Models	AIC	Brier score	P
CT-based rad-score	81.34	0.099	0.005a
MRI-based rad-score	82.39	0.120	0.003b
CT-MRI rad-score	75.49	0.087

AIC, Akaike information criterion value

^a,bp value for the Likelihood ratio test in CT-based and MRI-based rad-scores compared with CT-MRI rad-score