The statistical significance (P Values) of differences in median perfusion parameter values for various grades of gliomas and imaging techniques
| P Value | Ktrans_ϕ | Ktrans_SI | Vp_ϕ | Vp_SI |
|---|---|---|---|---|
| Grade II vs III | .050 | .17 | .15 | .14 |
| Grade II vs III excluding biopsy | .0047 | .070 | .051 | .070 |
| Grade III vs IV | .040 | .014 | .015 | .0026 |
| Grade III 2D vs 3D | .32 | .62 | .80 | .80 |
| Grade IV 2D vs 3D | .058 | .50 | .57 | 0.21 |