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The diagnostic accuracy of the systolic blood pressure (SBP), age, CAVI, and CAVI+Age for predicting blood stasis syndrome (BSS) in stroke patients. The ROC curves depicted that the CAVI and age showed modest diagnostic utility for BSS with the CAVI+Age indicating good diagnostic accuracy, while SBP provided poor diagnostic utility. In each graph, the solid diagonal line was the line of no discrimination (area = 0.5), and the optimal cut-off points were indicated on the curves.
