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Mean perfusion asymmetry indices in the inferior and superior divisions of the middle cerebral artery (MCA) and the anterior cerebral artery (ACA)
| MCA inferior | MCA superior | ACA | |
|---|---|---|---|
| Stroke: hypoperfused | .68 +/− .17 | .56 +/− .25 | .71 +/− .25 |
| Stroke: normal perfusion | .96 +/− .09 | .92 +/− .10 | .90 +/− .10 |
| Healthy volunteer | 1.04 +/− .06 | 1.03 +/− .05 | .99 +/− .05 |
