Median values of the maximal perfusion parameters and coefficient of variation for different grades of gliomas using a 3D gradient-recalled echo sequence on a 3T MR scanner
| No. | Ktrans_ϕ(min−1) (95% CI) | CV(%) | Ktrans_SI(min−1) (95% CI) | CV(%) | Vp_ϕ (mL/100 g) (95% CI) | CV(%) | Vp_SI (mL/100 g) (95% CI) | CV(%) | |
|---|---|---|---|---|---|---|---|---|---|
| Grade 2 | 1 | 0 | 0 | 0 | 0 | ||||
| Not defined | Not defined | Not defined | Not defined | ||||||
| Grade 3 | 5 | 0.032 | 122 | 0.026 | 131 | 0.98 | 54 | 3.9 | 57 |
| Not defined | Not defined | Not defined | Not defined | ||||||
| Grade 4 | 9 | 0.069 (0.047–0.096) | 45 | 0.15 (0.082–0.31) | 72 | 2.4 (1.3–5.6) | 59 | 12.5 (5.5–25) | 70 |