Research Paper Volume 12, Issue 6 pp 4896—4906
Development and validation of a nomogram for preoperative prediction of cervical lymph node involvement in thyroid microcarcinoma
Figure 4. ROC curve analysis to predict CRLNI in PTMC patients. (A) ROC curve for the training set. (B) ROC curve for the internal testing set. (C) ROC curve for the external testing set. AUC=area under ROC curve; ROC= receiver operating characteristic.