Cancer Imaging

Table 5 The diagnostic performances of three models in the training and test groups

From: DCE-MRI quantitative analysis and MRI-based radiomics for predicting the early efficacy of microwave ablation in lung cancers

	Training group			Test group
	T1WI	Ce-T1WI	Combined	T1WI	Ce-T1WI	Combined
AUC	0.910(95%CI 0.748,0.983)	0.890(95%CI 0.722,0.974)	0.965(95%CI 0.825,0.999)	0.850(95%CI 0.550,0.982)	0.700(95%CI 0.393,0.913)	0.850(95%CI 0.550,0.982)
Sensitivity	1.000	1.000	1.000	0.800	0.800	0.800
specificity	0.750	0.700	0.850	0.625	0.500	0.750
Accuracy	0.833	0.800	0.900	0.692	0.615	0.769
F1	0.800	0.769	0.870	0.667	0.615	0.727
Youden index	0.750	0.700	0.850	0.600	0.375	0.625
PPV	0.667	0.625	0.769	0.571	0.500	0.667
NPV	1.000	1.000	1.000	0.833	0.800	0.857

Note: PPV refers to Positive predictive value; NPV refers to Negative predictive value

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ISSN: 1470-7330

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