Figure 1. Graphical analysis on receiver operating characteristic (ROC) curve in relation to Cambridge Cognitive Examination (CAMCOG), Mini-Mental State Examination (MMSE), praxis and subitems. (A) Comparison of area under the curve (AUC) between MMSE and CAMCOG instruments. (B) Comparison of AUC among total praxis, constructive subitem and ideomotor subitem. Graph (B) shows that constructive praxis presents the largest value.