TABLE 2

Patient and Tumor Characteristics, Part 2

Characteristic	Data	%
Diagnosis (n)
Glioblastoma, IDH-wild-type, WHO IV	59	46
Glioblastoma, IDH-mutant, WHO IV	7	6
Glioblastoma, not otherwise specified, WHO IV	1	0.8
Astrocytoma, IDH-wild-type
WHO II	2	2
WHO III	7	6
Astrocytoma, IDH-mutant
WHO II	10	8
WHO III	21	17
Astrocytoma, not otherwise specified
WHO II	1	0.8
WHO III	1	0.8
Oligodendroglioma, IDH-mutant and 1p/19q-codeleted
WHO II	7	6
WHO III	6	5
Diffuse midline glioma, H3 K27 M-mutant, WHO IV	1	0.8
Other^*
WHO II	1	0.8
WHO III	1	0.8
ND	2	2
MGMT promoter methylation status (n)
Methylated	57	45
Unmethylated	40	31
ND	30	24
Extent of resection at initial diagnosis (n)
Gross total resection	67	53
Subtotal resection	8	6
Partial resection	20	16
Biopsy	30	24
None	2	2

↵* This section included 1 diffuse glioma, IDH-wild-type, nuclear ATRX retained, MGMT promoter methylated; 1 anaplastic glioma, IDH-mutant, nuclear ATRX retained, MGMT promoter methylated; 1 suspected diffuse pontine glioma (treated without prior biopsy); and 1 suspected diffuse medulla oblongata glioma (treated without prior biopsy).
ND = not determined or inconclusive.