Fig. 4From: Does establishing a preoperative nomogram including ultrasonographic findings help predict the likelihood of malignancy in patients with microcalcifications?ROC curves and C-index values of the nomogram. a The C-index values of the M nomogram were 0.897 (95%CI: 0.868–0.927). b The C-index values of the M-U nomogram were 0.917 (0.891–0.942)Back to article page