Table 3:

Median values and range of perfusion parameters in 26 patients, according to arterial input region of interest^*

Perfusion Parameter	Reader	Ipsilateral ECA	Contralateral ECA	P Value
BF	Expert A	84.0 (40.8–344.3)	81.5 (43.3–356.3)	.97
	Expert B	87.8 (38.4–301.8)	82.7 (33.0–246.3)	.09
	Nonexperienced	82.8 (35.2–289.3)	81.6 (39.4–284.3)	.82
BV	Expert A	6.1 (4.2–16.6)	6.1 (3.6–14.2)	.10
	Expert B	6.0 (4.2–12.9)	5.7 (3.8–12.9)	.09
	Nonexperienced	6.1 (4.4–13.7)	5.8 (4.3–14.6)	.58
MTT	Expert A	6.0 (2.9–12.4)	6.0 (2.7–12.8)	.40
	Expert B	5.8 (2.6–11.9)	6.1 (2.6–13.4)	.97
	Nonexperienced	5.4 (3.0–12.0)	5.2 (3.0–12.4)	.23
PS	Expert A	15.9 (3.7–28.9)	14.6 (2.2–46.4)	.27
	Expert B	13.4 (1.2–29.4)	13.0 (1.7–32.7)	.62
	Nonexperienced	13.9 (1.3–26.7)	12.7 (0.5–31.4)	.53

^*Wilcoxon signed rank test for the difference between paired perfusion values in right-versus-left and in ipsilateral-versus-contralateral ECAs.