Table 1. Baseline characteristics of patients.

Variables	Overall (n=108)	Symptomatic vasospasm				Hydrocephalus
		Yes (n=26)	No (n=82)	P value		Yes (n=31)	No (n=77)	P value
Mean age (years)	60.9±12.3	64.4±13.0	59.8±11.9	0.094		65.9±12.3	58.9±11.7	0.006
Men	34 [31]	8 [31]	26 [32]	0.928		6 [19]	28 [36]	0.085
H-H grade				0.021				0.025
I	46 [43]	6 [23]	40 [49]			8 [26]	38 [49]
II	62 [57]	20 [77]	42 [51]			23 [74]	39 [51]
Modified Fisher grade				0.001				0.037
I	75 [69]	11 [42]	64 [78]			17 [55]	58 [75]
III	33 [31]	15 [58]	18 [22]			14 [45]	19 [25]
Aneurysm location				0.203				0.914
ICA	49 [45]	11 [42]	38 [46]			15 [48]	34 [44]
ACA	51 [47]	11 [42]	40 [49]			14 [45]	37 [48]
MCA	8 [8]	4 [16]	4 [5]			2 [7]	6 [8]
Risk factors
Hypertension	43 [40]	9 [35]	34 [41]	0.534		14 [45]	29 [38]	0.471
Smoking	33 [31]	4 [15]	29 [35]	0.054		7 [23]	26 [34]	0.254

Values are the number of patients [%] or mean ± standard deviation. H-H, Hunt and Hess; ICA, internal cerebral artery; ACA, anterior cerebral artery; MCA, middle cerebral artery.