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Table 2 Relative frequency of glioma molecular subgroups according to the 2016 WHO classification

From: Clinical insights gained by refining the 2016 WHO classification of diffuse gliomas with: EGFR amplification, TERT mutations, PTEN deletion and MGMT methylation

Molecular Subgroups Number of samples % Gliomas
GBM, IDH mutant 11 2.5 (11/444)
GBM, IDH-wildtype 245 55.2 (245/444)
Astrocytoma, IDH-mutant 55 12.4 (55/444)
Astrocytoma, IDH-wildtype 43 9.7 (43/444)
IDH mutant and 1p/19q codeleted 49 11.0 (49/444)
NOS 41 9.2 (41/444)
Total 444 100 (444/444)