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Normal BA and PCA Flows Dependent on PCA Anatomy and Age
| BA Flow (Relative to PCA Anatomy an Age) | BA Flow Mean±SD |
|---|---|
| Normal PCA anatomy | |
| ≤60 y (n=219) | 150±37 |
| >60 y (n=64) | 131±33 |
| Unilateral fetal PCA (n=32) | 92±22 |
| Bilateral fetal PCA (n=8) | 50±17 |
| PCA Flow (Relative to Age) |
Left PCA Flow Mean±SD |
Right PCA Flow Mean±SD |
|---|---|---|
| ≤60 y (n=252) | 72±16 | 68±16 |
| >60 y (n=73) | 63±14 | 59±14 |
BA indicates basilar artery; and PCA, posterior cerebral artery.
