The ROC curve in each parameter.

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Hypoplasia at L5, method of measurement.

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Presentation transcript:

The ROC curve in each parameter. The ROC curve in each parameter. This graph shows that the ratio is the most significant among the 5 parameters used to predict a dural tear. Ratio indicates the ratio of the central canal diameter; Angle, the angle of the retropulsed segment; EDH extent, the number of vertebral bodies involved in the epidural hemorrhage; Grade, the grade of laminar fracture; IP distance, the distance between pedicles. I.S. Lee et al. AJNR Am J Neuroradiol 2009;30:142-146 ©2009 by American Society of Neuroradiology