CTP ratios and absolute values for regions 1–3
| Parameter | Region 1 Mean Ratio ± SD | Region 2 Mean Ratio ± SD | Region 3 Mean Ratio ± SD | P Value (Region 1 vs 2) | P Value (Region 2 vs 3) |
|---|---|---|---|---|---|
| CBV ratio | 0.48 ± 0.09 | 0.84 ± 0.17 | 0.96 ± 0.19 | <0.0001 | 0.03 |
| CBF ratio | 0.19 ± 0.06 | 0.34 ± 0.06 | 0.46 ± 0.09 | <0.0001 | <0.0001 |
| CBV value (ml/100 g) | 1.47 ± 0.4 | 2.83 ± 0.67 | 2.94 ± 0.45 | <0.0001 | 0.05 |
| CBF value (ml/100 g/min) | 8.88 ± 2.3 | 16.08 ± 5.71 | 17.92 ± 4.0 | <0.0001 | 0.1 |
Note:— CBF indicates cerebral blood flow; CBV, cerebral blood volume.