Table 1.
Clinical characteristics.
| Characteristics | No. (n=20) | % |
|---|---|---|
| Age (years) | ||
| Median (range) | 52 (18~71) | |
| Sex | ||
| Male | 10 | 50 |
| Female | 10 | 50 |
| KPS | ||
| 90-80 | 13 | 65 |
| 70-60 | 7 | 35 |
| Surgery types | ||
| Gross total surgery | 18 | 90 |
| Subtotal surgery | 2 | 10 |
| IDH1 Mutation Status at first diagnosis | ||
| + | 2 | 10 |
| – | 18 | 90 |
| MGMT promoter at first diagnosis | ||
| Methylation | 8 | 40 |
| Unmethylation | 12 | 60 |
| History of targeted therapy before recurrence | ||
| Yes | 3 | 15 |
| No | 17 | 85 |
KPS, Karnofsky performance scale; IDH1, isocitrate dehydrogenase 1; MGMT, O6-methylguanine-DNA methyltransferase; TMZ, temozolomide.