Figure 1. Graph shows minimum venous diameter at US as a predictor of fistula adequacy. This test is most accurate for minimum venous diameters between 0.3 and 0.4 cm. Accur = accuracy, Sens = sensitivity; Spec = specificity.
Figure 1. Graph shows minimum venous diameter at US as a predictor of fistula adequacy. This test is most accurate for minimum venous diameters between 0.3 and 0.4 cm. Accur = accuracy, Sens = sensitivity; Spec = specificity.