Differential diagnosis of gallbladder neoplastic polyps and cholesterol polyps with radiomics of dual modal ultrasound: a pilot study

Table 4 The statistical difference between the dual-modality and single-modality models

Indicator	Model	Mean ± Standard deviation	Difference and 95% CI	p-value
AUC	B-mode	0.804 ± 0.105	0.045 (− 0.003–0.093)	0.045^*
	SMI	0.782 ± 0.077	0.068 (0.039–0.097)	< 0.001
	Dual-modality	0.850 ± 0.090	–	–
ACC	B-mode	0.802 ± 0.084	0.026 (− 0.020–0.072)	0.257
	SMI	0.756 ± 0.092	0.072 (0.037–0.107)	< 0.001
	Dual-modality	0.828 ± 0.097	–	–
SEN	B-mode	0.831 ± 0.152	0.061 (− 0.022–0.144)	0.140
	SMI	0.856 ± 0.158	0.036 (-0.045–0.117)	0.264^*
	Dual-modality	0.892 ± 0.144	–	–
SPE	B-mode	0.792 ± 0.137	0.012 (− 0.066–0.090)	0.761
	SMI	0.718 ± 0.166	0.085 (0.016–0.154)	0.018
	Dual-modality	0.803 ± 0.149	–	–
YI	B-mode	0.622 ± 0.139	0.073 (0.001–0.145)	0.039^*
	SMI	0.574 ± 0.125	0.121 (0.068–0.174)	< 0.001
	Dual-modality	0.695 ± 0.157	–	–

*The p-value is the result of the Wilcoxon signed rank test due to the non-normal distribution, the remaining p-values are the results of the paired t-test

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