Fig. 4From: The incidence of increased ICP in ICU patients with non-traumatic coma as diagnosed by ONSD and CT: a prospective cohort studyReceiver operating characteristics curve for discriminant optic nerve sheath diameter measurement for non-traumatic radiographic cerebral edema. AUC 0.785 [95 % CI 0.695–0.874, p <0.001]. Dashed line: Chance level; Vertical line [J] maximum value of Youden’s index for the ROC curveBack to article page