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Comparison of patient survival at one year between patients with newly diagnosed AA with and without thrombosis. Abbreviations: IVT = intravascular thrombosis.
| Anaplastic astrocytoma | Total number | Dead at 1 year (%) | Alive at most recent follow‐up |
|---|---|---|---|
| Cases with IVT | 4 | 4/4 (100%) | 0/4; mean survival, 6.3 months |
| Cases without IVT | 32 | 6/32 (19%)* | 26/32; mean follow‐up, 45 months |
P < 0.05, χ2‐test, with comparison with anaplastic astrocytoma with thrombosis.
