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Table 3 The cut-off value of ONSD measured in 3D DRIVE and T2 WI sequences for diagnosing idiopathic intracranial hypertension

From: MRI measurement of optic nerve sheath diameter using 3D driven equilibrium sequence as a non-invasive tool for the diagnosis of idiopathic intracranial hypertension

 Cut-off value (mm)Sensitivity (%)Specificity (%)+PV (%)-PV (%)Accuracy (%)
3D DRIVE ONSD> 5.2194.1270.5976.292.382.35
> 5.3194.1282.3584.293.388.24
> 5.676.4782.3581.277.879.41
T2 WI ONSD> 5.3194.1252.9466.679073.53
> 5.688.264.7171.4384.6276.47
> 5.876.4770.5972.227573.6