Fig. 1From: Risk factors for central lymph node metastasis in the cervical region in papillary thyroid carcinoma: a retrospective studyReceiver operating characteristic (ROC) curves for the ability of the CLNM risk assessment scale to predict central lymph node metastasis in the (a) training cohort of patients with PTC and (b) validation cohort of patients with PTC. The area under the curve (AUC) values for the training and validation cohorts were 0.73 and 0.775, respectivelyBack to article page