Fig. 6
From: Prediction of spontaneous closure of isolated ventricular septal defects in utero and postnatal life
When SC is defined as a state variable and the defect diameter is defined as a test variable, the value of state variable is set to zero, and a receiver operating characteristic (ROC) curve can be achieved. Area under the curve is 0.842; P = 0.000; Upper cut-off value = 2.55 mm