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Characteristics of 48 patients with 58 incidental aneurysms that were coiled and of 41 patients with 53 incidental aneurysms that were not treated
48 Patients with 58 Coiled Aneurysms 41 Patients with 53 Untreated Aneurysms P Value Mean age 53.6 y(median 52, range 26–75) 60.6 y(median 63, range 46–74) .0006 Multiple aneurysms 19/48 (39.6%) 7/41 (17%) .035 Mean aneurysm size 10.9 mm(median 9, range 3–40) 9.2 mm(median 8, range 3–30) .461 Aneurysms with wide neck 8/58 (13.8%) 29/53 (54.7%) <.0001 Location on carotid artery 27/58 (47%) 13/53 (25%) .010 Location on middle cerebral artery 5/58 (9%) 15/53 (29%) .014 Location on anterior cerebral artery 6/58 (10%) 10/53 (19%) .309 Location on posterior circulation 20/58 (34%) 14/53 (27%) .472
