From: Retrospective analysis of treatment outcome in 315 patients with oligodendroglial brain tumors
n | % | ||
---|---|---|---|
Age (in years) | <20 | 15 | 5% |
≥20 – <30 | 53 | 17% | |
≥30 – <40 | 87 | 28% | |
≥40 – <50 | 82 | 26% | |
≥50 – <60 | 43 | 14% | |
≥60 – <70 | 26 | 8% | |
≥70 | 9 | 3% | |
median (range) | 40 (4 – 77) | ||
Sex | male | 202 | 64% |
female | 113 | 36% | |
Previous resection | yes | 83 | 26% |
no | 232 | 74% | |
Histology and grade | Oligodendroglioma, WHO II | 87 | 28% |
Oligodendroglioma, WHO III | 10 | 3% | |
Oligoastrocytoma, WHO II | 181 | 57% | |
Oligoastrocytoma, WHO III | 37 | 12% |