Figure 3

The overall prognostic performance of the SAH grading scales for the poor outcomes on day 90th after ictus: The area under the ROC curves of the PAASH (AUROC: 0.838 [95% CI 0.794–0.882]; cut-off value: ≥ 2.5; sensitivity: 67.7%; specificity: 87.6%; PAUROC < 0.001), the WFNS (AUROC: 0.837 [95% CI 0.793–0.881]; cut-off value: ≥ 3.5; sensitivity: 75.9%; specificity: 83.0%; PAUROC < 0.001), and the H&H scales (AUROC: 0.836 [95% CI 0.791–0.881]; cut-off value: ≥ 3.5; sensitivity: 72.2%; specificity: 84.4%; PAUROC < 0.001) for predicting the poor outcomes on day 90th after ictus in patients with aneurysmal SAH (AUROC areas under the receiver operating characteristic curve, H&H Hunt and Hess, PAASH prognosis on admission of aneurysmal subarachnoid haemorrhage, poor outcome defined as a modified Rankin scale [mRS] score of 4–6, ROC receiver operating characteristic, SAH subarachnoid haemorrhage, WFNS World Federation of Neurological Surgeons).