Fig. 1From: Hemoglobin A1c and risk of left atrial thrombus and spontaneous echo contrast in non-valvular atrial fibrillation patientsThe receiver-operating characteristic (ROC) curve for hemoglobin for predicting LAT/SEC. The area under the ROC curve = 0.788 (95% confidence interval: 0.764 to 0.812)Back to article page