Table 1.

Accuracy, sensitivity, and specificity of each parameter in classifying benign and malignant breast tumors without PAS (n = 10)

Parameters	Accuracy (%)	Sensitivity (%)	Specificity (%)
TC
Full contour	90	100	80
Half contour	100	100	100
σ s
Full contour	90	100	80
Half contour	90	80	100
$\overline{d}$
Full contour	60	40	80
Half contour	60	80	40
σ d
Full contour	60	80	40
Half contour	50	20	80
A
Full contour	60	80	40
Half contour	60	100	20
RI
Full contour	80	80	80
Half contour	80	60	100

TC tumor circularity, σ _s standard deviation of degree, $\overline{d}$ mean of the normalized radial length, σ _d standard deviation of the normalized radial length, A area ratio, RI roughness index