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Molecular characteristics of patients.
| Parameter | Result |
|---|---|
| EGFRvIII | |
| positive | 184 (51.8%) |
| negative | 171 (48.2%) |
| MGMT promoter | |
| methylated | 198 (56.3%) |
| unmethylated | 154 (43.8%) |
| VEGF | |
| hyperexpressed | 235 (87%) |
| not hyperexpressed | 35 (13%) |
| Proliferation index, median (range) | 35% (4–70) |
