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Table 1: Descriptive data for the study population
Patient Characteristics Type of Aneurysm
Unruptured Ruptured
Number of patients (n = 295) 53 242
Number of aneurysms (n = 300) 56 244
Mean (SD) age (y) 52.7 (9.6) 53.9 (12.4)
Median (IQR) age (y) 55.0 (13.5) 53.0 (17)
Age range (y) 29–72 21–84
No. of women (%) 38 (73.1) 158 (65.3)
WFNS scale, n (%) 
    1 − 136 (56.2)
    2 − 38 (15.6)
    3 − 25 (10)
    4 − 21 (8.6)
    5 − 22 (9.1)
Fisher grade, n (%) 
    I − 11 (4.5)
    II − 20 (8.3)
    III − 103 (42.6)
    IV − 108 (44.6)

Patient Characteristics	Type of Aneurysm
Patient Characteristics	Unruptured	Ruptured
Number of patients (n = 295)	53	242
Number of aneurysms (n = 300)	56	244
Mean (SD) age (y)	52.7 (9.6)	53.9 (12.4)
Median (IQR) age (y)	55.0 (13.5)	53.0 (17)
Age range (y)	29–72	21–84
No. of women (%)	38 (73.1)	158 (65.3)
WFNS scale, n (%)
1	−	136 (56.2)
2	−	38 (15.6)
3	−	25 (10)
4	−	21 (8.6)
5	−	22 (9.1)
Fisher grade, n (%)
I	−	11 (4.5)
II	−	20 (8.3)
III	−	103 (42.6)
IV	−	108 (44.6)