|  |  | Astrocytoma | Non astrocytoma |
---|---|---|---|---|
Gender | Â | Â | Â | Â |
 | female | 27 | 1 | |
 | male | 26 | 2 | |
Age, y | Â | Â | Â | Â |
 | <40 | 27 | 1 | |
 | 40–60 | 23 | 2 | |
 | >60 | 3 | 0 | |
Grade | Age | Â | Â | |
 | Mean | Range |  |  |
I | 39.1 | 10 to 62 | 14 | Â |
II | 33.1 | 4 to 50 | 15 | Â |
III | 40.4 | 1 to 72 | 12 | Â |
IV | 44.6 | 22 to 66 | 12 | Â |
 | Recurrent | 4 |  | |
 | Primary | 8 |  |