Table 2.
Perfusion and diffusion measurements with the results of group comparisons indicated by p-value
| Patient | mean rCBV | max rCBV | mean rPH | max rPH | mean rPSR | max rPSR | mean ADC | min ADC |
|---|---|---|---|---|---|---|---|---|
| Haemangioblastomas | ||||||||
| 1 | 8.22 | 10.91 | 5.58 | 10.32 | 0.30 | 0.36 | 1.73 | 1.41 |
| 2 | 5.1 | 9.10 | 5.1 | 9.65 | 0.30 | 0.98 | 0.81 | 0.76 |
| 3 | 6.75 | 10.50 | 6.64 | 8.34 | 0.42 | 0.45 | 1.67 | 1.29 |
| 4 | 9.13 | 22.07 | 5.90 | 9.65 | 0.20 | 0.70 | 1.68 | 1.31 |
| 5 | 3.74 | 4.85 | 3.51 | 4.07 | -0.40 | 0.10 | 1.88 | 1.63 |
| 6 | 5.71 | 14.61 | 5.13 | 11.99 | 0.46 | 0.56 | 1.11 | 0.69 |
| Mean | 6.44 | 12.01 | 5.31 | 9.00 | 0.21 | 0.53 | 1.48 | 1.18 |
| Pilocytic astrocytomas | ||||||||
| 1 | 1.34 | 2.64 | 3.65 | 4.84 | 5.04 | 5.84 | 1.14 | 0.84 |
| 2 | 2.67 | 3.54 | 2.51 | 3.21 | 0.97 | 1.00 | 0.84 | 0.65 |
| 3 | 2.93 | 9.62 | 2.72 | 8.05 | 0.43 | 1.07 | 1.62 | 1.06 |
| 4 | 1.27 | 1.82 | 2.11 | 2.38 | 1.83 | 1.84 | 1.05 | 0.94 |
| 5 | 3.34 | 6.34 | 1.94 | 3.51 | 1.10 | 1.12 | 1.00 | 0.70 |
| 6 | 1.30 | 1.81 | 1.82 | 2.07 | 1.71 | 1.74 | 1.05 | 0.82 |
| Mean | 2.14 | 4.30 | 2.46 | 4.01 | 1.85 | 2.10 | 1.11 | 0.84 |
| p-value | 0.0007* | 0.01* | 0.0002* | 0.005* | 0.03* | 0.06 | 0.1 | 0.06 |
*
Statistically significant values