Figure 2From: Non-aneurysmal non-traumatic subarachnoid hemorrhage: patient characteristics, clinical outcome and prognostic factors based on a single-center experience in 125 patients Rate of arterial hypertension and anticoagulation. From 07/1999 to 12/2009 we had an increasing rate of patients with arterial hypertension (from 33% to 55%). Also the rate of patients with systemic anticoagulation and/or platelet inhibition increased in this period from 4% to 22%.Back to article page