World Neurosurg
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A community-based study was conducted to evaluate the factors related to the size of ruptured aneurysms and the effects of aneurysm size on clinical features. ⋯ Age, cigarette smoking, multiple aneurysms, and aneurysm site appear to be related to the size of ruptured aneurysms. Patients with larger aneurysms seem to have a worse clinical condition and more severe SAH, resulting in higher incidences of rebleeding, symptomatic vasospasm and hydrocephalus, and a worse outcome.