Figure 2. (A) ROC analysis for serum Ca (12.3 mg/dL cut-off had 42.9 sensitivity, 83% specificity, (B) ROC analysis for serum PTH (265.05 pg/mL cut-off had 71% sensitivity and 77% specificity), (C) ROC analysis for serum ALP (154.5 IU/L cut had 74.1% sensitivity and 84.6 specificity), (D) ROC analysis for Uca (348.5 mg/day cut off had 88.5% sensitivity and 47.8% specificity, (E) lesion size (21.5 mm had 57.1% sensitivity and 81.1% specificity).