Table 1.
Patient, disease, and treatment characteristics
| All (n = 88) | IMRT (n = 45) | VMAT (n = 43) | P-value | |
|---|---|---|---|---|
| Mean age, years (range) | 55 (19-79) | 53 (21-79) | 56 (19-73) | .34 |
| Male sex | 63% | 60% | 65% | .62 |
| KPS score >80 | 86% | 84% | 88% | .20 |
| Seizures at presentation | 28% | 31% | 26% | .86 |
| Other neurologic symptoms at presentation | 93% | 98% | 88% | .83 |
| Gross total resection | 58% | 60% | 53% | .85 |
| Mean gross tumor volume (cm3) | 52.1 | 50.7 | 53.5 | .87 |
| Steroid medications during radiation | 50% | 49% | 51% | .83 |
| Steroid medication increased during radiation | 28% | 33% | 23% | .20 |
| Temozolomide dose adjusted | 12% | 14% | 10% | .16 |
| Adjuvant temozolomide | 93% | 88% | 97% | .72 |
Abbreviations: IMRT = intensity modulated radiation therapy; KPS = Karnofsky performance status; VMAT = volumetric modulated arc therapy.