Temporal profiles of C-reactive protein (CRP), interleukin 6 (IL-6) and interleukin 1 receptor antagonist (IL-1Ra) after subarachnoid hemorrhage plotted to day of angiography for first 40 patients and box and whisker plots of data for all delayed cerebral ischemia cases and their matched controls. Temporal profiles of C-reactive protein (CRP), interleukin 6 (IL-6) and interleukin 1 receptor antagonist (IL-1Ra) after subarachnoid hemorrhage plotted to day of angiography for first 40 patients and box and whisker plots of data for all delayed cerebral ischemia cases and their matched controls. Catherine J McMahon et al. J NeuroIntervent Surg 2013;5:512-517 Copyright © Society of NeuroInterventional Surgery. All rights reserved.