Table 3. Different cerebral circulation times, and perfusion parameters between vasospasm and control groups.

Circulation Time	Control (N = 19)	Vasospasm (N = 22)	P
XA-CCTRA2	4.9 ± 0.9	6.0 ± 1.3	0.08*
XA-CCT LA2	4.6+1.0	5.8+2.4	0.055
XA-CCTRM2	4.7 ± 1.3	5.8 ± 2.1	0.045*
XA-CCT LM2	4.9 ± 0.8	5.9 ± 2.1	0.05*
CT-CCTA2	5.0 ± 2.6	6.4 ± 2.2	0.03*
CT-CCTRM2	4.9+2.2	6.4+2.2	0.03*
CT-CCT LM2	5.2 ± 2.1	6.7 ± 1.7	0.01*
Perfusion	Control (N = 19)	Vasospasm (N = 22)	P
CBV	4.0 ± 1.6	3.3 ± 1.0	0.30
CBF	30.0 ± 21.0	27.2 ± 17.4	0.35
MTT	5.5 ± 1.1	6.3 ± 2.1	0.02*
TTP	15.1. ± 7.1	17.9 ± 3.1	0.02*

* Student’s t-test p-value was less than 0.05.