Determination of Ischemia Onset Based on Automatically Generated Spectralis SD-OCT Values in Acute Central Retinal Artery Occlusion

Figure 3

Receiver operating characteristic (ROC) curve analysis. Calculation of the diagnostic performance of optical coherence tomography- (OCT-) based relative retinal thickness increase (RRTI) to distinguish between time to OCT of less and more than 4.5 hours in all 4 ETDRS sectors. The inferior sector (a), the superior sector (b), the nasal sector (c), and the temporal sector (d). On the y-axis, the true positive value represents sensitivity, while the x-axis shows false positive values from which the specificity can be calculated by 1 − false positive value. The area under the ROC curve (AUC) is given for each graph.

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