Table 1.

Baseline characteristics.

Age (years)(mean/range)	55.8 (39–70)
Sex (men/women) (n, %)	11/19 (36.6/64.4)
Admission Fisher grade
(n, %)
Grade 1–2	5 (16.6)
Grade 3	13 (43,3)
Grade 4	12 (40)
Admission Hunt-Hess Grade
(n, %)
Grades 1–2	14 (46.6)
Grades 3–5	16 (53.3)
Aneurysms location
(n, %)
Anterior communication artery	6 (20)
Middle cerebral artery	18 (60)
Basillar top	5 (16.6)
Internal carotid artery bifurcation	1 (3.3)
Aneurysms size
Dome size mm (mean/range)	8.8 (4.1–28)
Dome to neck ratio mm (mean/range)	1.3 (0.95–1.77)
Treatment time
0–48 h (n, %)	22 (73.3)
48–72 h (n, %)	8 (26.6)
External ventriculer dranaige
Preoperative (n)	2
Postoperative (n)	2