Perfusion CT values in the infarct core and ischemic penumbra
| Core | Penumbra | P Value | |
|---|---|---|---|
| CBV ratio | 0.25 ± 0.09 | 0.81 ± 0.17 | <.001 |
| CBF (mL/100 g/min) | 6.9 ± 2.8 | 25.9 ± 2.7 | <.001 |
| CBF ratio | 0.14 ± 0.05 | 0.49 ± 0.06 | <.001 |
| ΔTTP (s) | 6.5 ± 2.63 | 4.32 ± 1.54 | <.01 |
Note:—CBV indicates cerebral blood volume; CBF, cerebral blood flow; TTP, time to peak.