Descriptive statistics of high-grade astrocytomas
| Tumor Type* | n (%) | Parameter | Mean/SD/SE | 95% CI for Mean | Range |
|---|---|---|---|---|---|
| AAS (III/IV) | 4/75 (5.33) | rCBVT | 4.09/0.06/0.03 | 3.99–4.19 | 4.04–4.18 |
| rCBVP | 1.92/0.43/0.22 | 1.23–2.61 | 1.28–2.19 | ||
| GBM (IV/IV) | 11/75 (14.67) | rCBVT | 5.03/1.05/0.32 | 4.32–5.74 | 3.15–6.58 |
| rCBVP | 2.01/0.65/0.20 | 1.58–2.45 | 1.00–3.09 |
Note.—AAS indicates anaplastic astrocytoma; GBM, glioblastoma multiforme; rCBVT, tumoral relative cerebral blood volume; rCBVP, peritumoral relative cerebral blood volume.
* Roman numerals in parentheses show tumor grade according to the World Health Organization 2000 classification scheme.