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Distribution of a sample of 39 patients according to the type and grade of the tumor.
| Variables | Number | Percentage |
|---|---|---|
| Type of tumor | ||
| Glioblastoma multiform | 24 | 61.5% |
| Astrocytoma | 15 | 38.5% |
| Grade | ||
| Grade Ⅰ | 0 | 0.0% |
| Grade Ⅱ | 3 | 7.7% |
| Grade Ⅲ | 12 | 30.8% |
| Grade Ⅳ | 24 | 61.5% |
