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.