Preoperative clinical-radiomics nomogram for microvascular invasion prediction in hepatocellular carcinoma using $$^{18}$$ F-FDG PET/CT

Table 3 The AUC of Rad-score and nomograms for predicting MVI

Models	Training cohort (N = 637)			p	Validation cohort (N = 272)			p
	AUC	(95% CI)			AUC	(95% CI)
	AUC	Lower	Upper		AUC	Lower	Upper
Rad-score	0.903	0.881	0.926		0.806	0.756	0.856
Clin-nom	0.941	0.923	0.959		0.849	0.804	0.893
C-Rad-nom	0.962	0.949	0.976		0.890	0.854	0.927
Rad-score versus Clin-nom				0.002				0.133
Rad-score versus C-Rad-nom				0.000*				0.000*
Clin-nom versus C-Rad-nom				0.000*				0.000*

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