IL6 and Hydrocephalus: Serum IL-6 levels had a positive correlation with delayed ischemic neurological deficits on all days after aSAH complications, except day 1, and IL-6 was also positively correlated with cerebral vasospasm at days 3 (p = 0.025), 7 (p = 0.012), 9 (p = 0.014) and 13 (p = 0.031) and hydrocephalus at days 9 (OR = 8.1, p = 0.025, 95% CI = 1.3–50.1) and 13 (OR = 9.6, p = 0.025, 95% CI = 1.3–69.3).92