Table 1.

The area under the ROC curve, sensitivity and specificity of US8-score and US7-score

Test result variable(s)	The area under the ROC curve	Positive if greater than or equal to^a	Sensitivity	Specificity

US8-score	0.902	1.50	0.795	0.857
US7-score	0.924	1.50	0.829	0.917