Table 1.

Patient characteristics

	Cohort (N = 930)
Median age (year, interquartile range)	50 (43–59)
Female sex (number, %)	653 (70)
WFNS grading scale on admission (number/total, %)
1   2   3   4   5	481/905 (53) 188/905 (21) 60/905 (7) 115/905 (13) 61/905 (7)
Location of aneurysm in anterior circulation (number/total, %)	802/911 (88)
In-hospital complications (number/total, %)
Rebleeding   Clinical deterioration due to delayed cerebral ischemia	125/914 (14) 174/913 (19)
Glasgow Outcome Scale Score at 3 months (%)
1. Death   2. Vegetative state   3. Severe disability   4. Moderate disability   5. Good recovery	73 (8) 4 (0) 112 (12) 224 (24) 517 (56)