Figure 2From: Angiopoietin-1 is associated with cerebral vasospasm and delayed cerebral ischemia in subarachnoid hemorrhage Angiopoietin-2 (Ang-2, ng/ml) serum levels in patients with Fisher grade 2 and 3 compared to Fisher grade 4. Mean and SEM. Wilcoxon rank-sum test. **, p < 0.01.Back to article page