Table 1.

Demographic data for the patient and control groups

	Patient group (n=16)	Control group (n=15)
Age (year)	51.6±13.3	48.1±15.1
Sex, male/female	9/7	7/8
Duration from onset (weeks)	5.7±1.5
Modified Fisher grade	2.5±0.9
WFNS	2.1±1.3
Hijdra score	15.7±6.3
Ruptured artery (ACoA:ACA:MCA:PCA)	11:1:3:1
Operation type (clipping:coiling:non)	12:2:2
MMSE	19.8±8.8

ACA, anterior cerebral artery; ACoA, anterior communicating; MCA, middle cerebral artery; MMSE, Mini-Mental State Examination; PCA, posterior communicating artery; WFNS, World Federation of Neurosurgical Societies.