Identification of ruptured intracranial aneurysms using the aneurysm-specific prediction score in patients with multiple aneurysms with subarachnoid hemorrhages- a Chinese population based external validation study

Table 1 Morphological characteristics of the aneurysms

Morphological characteristics	Unruptured group (n = 156)	Ruptured group (n = 134)	P
Maximum diameter (mm)	5.02 ± 2.44	7.88 ± 3.02	< 0.001
Shape			< 0.001
Irregular	36 (23.1%)	95 (70.9%)
Regular	120 (76.9%)	39 (29.1%)
Location
PC	10 (6.4%)	5 (3.7%)	0.427
AcomA + AA	16 (10.3%)	24 (17.9%)	0.063
PcomA	38 (24.4%)	63 (47.1%)	< 0.001
MCA	52 (33.3%)	33 (24.6%)	0.121
ICA	40 (25.6%)	9 (6.7%)	< 0.001
Aneurysm-specific prediction score	0.03631 ± 0.40	0.56653 ± 0.40	< 0.001

PC Posterior circulation, AcomA Anterior communicating artery, AA Anterior cerebral artery, ICA Internal carotid artery, MCA Middle cerebral artery, PcomA Posterior communicating artery

ISSN: 1471-2377