ROC
Tested variables	Area	Deviation error^a	Asymptotic significance^b	95% Asymptotic confidence interval
Tested variables	Area	Deviation error^a	Asymptotic significance^b	Inferior limit	Superior limit
Hypoechoic	0.658	0.027	0.000	0.605	0.710
Solid consistency	0.728	0.031	0.000	0.668	0.789
Irregular borders	0.850	0.024	0.000	0.804	0.896
Microcalcifications	0.848	0.024	0.000	0.801	0.896
Shape taller than wide	0.779	0.029	0.000	0.721	0.837
Diameter = or >1.5 cm	0.500	0.046		0.411	0.589