Table 1 Patient characteristics

Age (yr)

56 ± 12

Men / women

20 / 22

WFNS score

I

15

II

5

III

5

IV

8

V

9

Fisher score

I

0

II

1

III

18

IV

23

Aneurysms

Anterior circulation

23

Posterior circulation

14

Not found

5

Endovascular intervention

33

Surgical intervention

4

Symptomatic vasospasm

8

Mechanical ventilation on admission, n (%)

30 (73)

ICU length of stay (days)

18 (12–25)

Hospital length of stay (days)

29 (21–35)

ICU mortality, n (%)

10 (23)

Hospital mortality, n (%)

11 (26)