Table 2.

Detailed characteristics of training dataset and internal test dataset

Characteristics	Training dataset	Internal test dataset
No. of examinations	76	20
No. of male patients	24	7
No. of female patients	52	13
Mean age (year)	56 ± 11	56 ± 10
Male patients	56 ± 10	56 ± 10
Female patients	58 ± 13	56 ± 10
Hypertension patients	39	9
No. of aneurysms	80	26
Mean size of aneurysms	6.86 ± 4.23	6.30 ± 3.56
Size of aneurysms
< 3.0	10	3
3.0–4.9	23	6
5.0–9.9	30	15
≥ 10.0	17	2
Location of aneurysms
Internal carotid artery area	40	14
Middle cerebral artery area	13	9
Anterior cerebral artery area	11	2
Posterior cerebral artery area	13	0
Basilar artery area	2	1
Vertebral artery area	1	0