Table 1 Patient characteristics of the Wuhan clinical sample set
CNS tumors | Glioblastoma | Astrocytoma | Ependymoma | Germinoma | Medulloblastoma | Oligodendroglioma | Meningioma | Solitary fibrous tumor | Total | PCNSL | Plasma glioblastoma and glioma | Plasma PCNSL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
N =  | 6 | 4 | 2 | 2 | 3 | 4 | 3 | 1 | 25 | 25 | 5 | 15 |
Age | ||||||||||||
 Median | 46 | 36 | 36 | 21 | 12 | 44 | 47 | 32 | 39 | 58 | 48 | 64 |
 Range | 17–53 | 35–41 | 3–68 | 9–32 | 6–26 | 38–50 | 45–66 | – | 3–68 | 35–71 | 14–66 | 46–84 |
Gender | ||||||||||||
 Male | 4 | 2 | 2 | 2 | 1 | 2 | 2 | – | 15 | 11 | 4 | 9 |
 Female | 2 | 2 | – | – | 2 | 2 | 1 | 1 | 10 | 14 | 1 | 6 |
WHO grade | ||||||||||||
 I | – | – | – | – | – | – | – | – | – | – | – | – |
 II | – | 1 | – | – | – | – | – | – | 1 | – | – | – |
 III | – | 3 | 2 | – | – | 4 | 3 | 1 | 13 | – | – | – |
 IV | 6 | – | – | – | 3 | – | – | – | 9 | – | 4 | – |
 High grade | – | – | – | – | – | – | – | – | – | – | 1 | – |