Table 3. Quantitative analysis of the vessel diameter of the basal cerebral arteries on day 1 and day 2.

	BA day 1	ACI day 1	MCA day1	ACA day 1	BA day 2	ACI day 2	MCA day 2	ACA day 2
Mean	0.616	0.683	0.608	0.6	0.59	0.65	0.57	0.58
Median	0.6	0.7	0.6	0.6	0.6	0.7	0.6	0.6
IQR	0.6–0.6	0.7–0.7	0.6–0.6	0.6–0.6	0.6–0.6	0.6–0.7	0.5–0.6	0.6–0.6
SD	0.040	0.038	0.028	0	0.049	0.12	0.06	0.03
SE	0.01	0.011	0.008	0	0.013	0.024	0.013	0.007
Range	0.6–0.7	0.6–0.7	0.6–0.7	0.6–0.6	0.5–0.7	0.1–0.7	0.4–0.7	0.5–0.6
CoK	6 (p:0,0076)	2.64 (p:0.072)	12 (p:0001)	0	2.57 (p:0.07)	16.37 (p<0.0001)	0.78 (p:0.30)	2.32 (p:0.044)
RSD	6.62%	5.7%	4.75%	0	8.33%	19.09%	11.64%	6.29%

SD: standard deviation, SE: standard error of the mean, CoK: coefficient of Kurtosis, RSD: Relative standard deviation, ACI: internal carotid artery, ACA: anterior cerebral artery, BA: basilar artery, MCA: middle cerebral artery; BA: basilar artery (das muss noch nach Alphabet sortiert werden)