Characteristic | Â | Â | |
---|---|---|---|
 | Mean | Range | |
Age (years)a | 41.0 | 18–71 | |
Follow-up since surgery (years)b | 2.1 | 0.1–15.5 | |
 |  | N | % |
Gendera | Male | 25 | 49 |
Tumor locationb | Supratentorial | 38 | 81 |
Infratentorial, intracranial | 7 | 15 | |
Spinal, intradural | 2 | 4 | |
Surgery for recurrent tumorb | 8 | 17 | |
Extent of resectiond | Subtotal resection | 30 | 68 |
Current statusb | Well/stable disease | 35 | 74 |
Palliative/deceased | 12 | 26 | |
Indication for methylation profilinge | Challenging diagnosis with differential given | 20 | 36 |
Diagnoses without classical features | 13 | 24 | |
Final determination of IDH status | 11 | 20 | |
Molecular subtyping | 4 | 7 | |
Final determination of 1p/19q co-deletion status | 4 | 7 | |
Clinical discrepancy with pathologic diagnosis | 3 | 5 | |
Initial WHO gradee | I | 8 | 15 |
II | 15 | 27 | |
III | 13 | 24 | |
IV | 15 | 27 | |
Not graded | 4 | 7 |