Symptomatic vasospasm
No vasospasm
(Grade 0)
Transient DIND
(Grade 1)
Persistent DIND
(Grade 2)
P
Mean age
50.2 years
58.9 years
64.8 years
0.0101
SAH grade (WFNS)
1–3
40 patients
26 patients
15 patients
4–5
7 patients
9 patients
13 patients
0.0017 *
Aneurysmal treatment
Clipped
45 patients
33 patients
23 patients
0.0936
Coiled
2 patients
2 patients
5 patients
Urokinase irrigation therapy
41 patients
30 patients
20 patients
0.2091
Fasudil hydrochloride treatment
14 patients
16 patients
10 patients
0.2796
Initial clot volume
8.2 ± 3.7 ml
8.4 ± 4.3 ml
9.5 ± 4.7 ml
0.3795
Clot clearance ratio/day in the basal cistern
41.9 ± 20.7 %
38.3 ± 17.7 %
41.5 ± 26.5 %
0.7358
Clot clearance ratio/day in the Sylvian cistern
37.7 ± 17.6 %
29.6 ± 12.7 %
23.9 ± 17.9 %
0.0021 *
DIND delayed ischemic neurological deficit, SAH subarachnoid hemorrhage, WFNS World Federation of Neurosurgical Societies
Data are presented as means ± standard deviations where appropriate
* P < 0.05
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