Table 1.

Demographic data and clinical features of the patinets

Group A : aneurysmal subarachnoid hemorrhage (SAH) associated with large intracerebral hematoma (ICH), January, 1994-December, 1999. Group B : aneurysmal SAH associated with large ICH, January, 2000-May, 2005. All clinical variables are not significantly different between two groups (t-test for age, hematoma volume, and size of aneurysm, χ² test for other variables). Data are expressed as the mean±the standard error. ACA : anterior cerbral artery, MCA : middle cerebral artery, ICA : internal carotid artery, Pcom : posterior communicating artery