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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.