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Table 1 Patient and aneurysm characteristics

From: Multiple aneurysms in subarachnoid hemorrhage - identification of the ruptured aneurysm, when the bleeding pattern is not self-explanatory - development of a novel prediction score

 MIAs (%)
Pat. No.252
Aneurysm No.619
Sex (female/male)195/57 (46/13)
Median age (y) ± SD53 ± 12,8
AHT (%)112 (44%)
Smoker (%)89 (35%)
Aneurysm size (mm)6 ± 5
Aneurysm shapeRegular (%)512 (83)
irregular (%)107 (17)
Aneurysm localization (%)
 AcomA + AA119 (19)
 PcomA85 (14)
 Posterior circulation72 (12)
 MCA234 (38)
 ICA w/o PcomA109 (17)
Aneurysms frequency
 2174 (41%)
 349 (11%)
 422 (6%)
 56 (1%)
 61 (1%)
  1. AHT arterial hypertension, AcomA anterior communicating artery, AA anterior cerebral artery, ICA internal carotid artery, MIAs multiple intracranial aneurysms, MCA middle cerebral artery, PcomA posterior communicating artery, SAH subarachnoid hemorrhage, SD standard deviation, SIAs single intracranial aneurysms