Additional file 1 of A score of non-contrast transthoracic echocardiography to screen patent foramen ovale in patients with embolic stroke of undetermined source

Additional file 1: Figure 1. ROC curve of aortic root diameter (ARd) for predicting PFO. Figure 2. ROC curve of peak E wave velocity (Em) for predicting PFO. Figure 3. ROC curve of MEAD score for predicting PFO. Table 1. 10-flod cross validation of MEAD score for predicting PFO.