Patient characteristics (n = 40)
| No. of patients | ||
|---|---|---|
| Age (yr) | ||
| Median | 45 | |
| Range | 22–74 | |
| Sex | ||
| Male | 25 | |
| Female | 15 | |
| Karnofsky performance status | ||
| <70% | 3 | |
| 70–80% | 14 | |
| 90–100% | 21 | |
| Histological diagnosis | ||
| Glioblastoma multiforme | 34 | |
| Anaplastic astrocytoma | 5 | |
| Anaplastic oligodendroglioma | 1 | |
| Concomitant medications | ||
| Group A | ||
| No. of patients | 31 | |
| Decadron | 25 | |
| Phenytoin | 20 | |
| Carbamazepine | 9 | |
| Phenobarbital | 2 | |
| Group B | ||
| No. of patients | 9 | |
| Decadron | 4 | |
| Gabapentin | 2 | |
| No anticonvulsants | 7 |