Development of a multi-phase CT-based radiomics model to differentiate heterotopic pancreas from gastrointestinal stromal tumor

Table 3 The auc comparison of different resampling method using Delong method in validation set

Scan phases	Resampling	AUC	P
Plain
	0.5 mm vs. 1 mm	0.91 vs. 0.79	0.295
	0.5 mm vs. 2 mm	0.91 vs. 0.91	1
	1 mm vs. 2 mm	0.79 vs. 0.91	0.276
Arterial
	0.5 mm vs. 1 mm	0.94 vs. 0.90	0.379
	0.5 mm vs. 2 mm	0.94 vs. 0.86	0.321
	1 mm vs. 2 mm	0.90 vs. 0.86	0.632
Venous
	0.5 mm vs. 1 mm	0.85 vs. 0.82	0.659
	0.5 mm vs. 2 mm	0.85 vs. 0.90	0.517
	1 mm vs. 2 mm	0.82 vs. 0.90	0.465
Delayed
	0.5 mm vs. 1 mm	0.81 vs. 0.77	0.694
	0.5 mm vs. 2 mm	0.81 vs. 0.74	0.643
	1 mm vs. 2 mm	0.77 vs. 0.74	0.873
Combined
	0.5 mm vs. 1 mm	0.95 vs. 0.88	0.177
	0.5 mm vs. 2 mm	0.95 vs. 0.89	0.275
	1 mm vs. 2 mm	0.88 vs. 0.89	0.951

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