Table 1.

Patient characteristics

Characteristic	Values
Age (year)	Median, 54 (range, 23–74)
Sex, n (%)
Male	29 (56.9%)
Female	22 (43.1%)
WHO 2016 grade, n (%)
Grade II	10 (19.6%)
Grade III	16 (31.4%)
Grade IV	25 (49.0%)
Histology, n (IDH-mutant/wildtype)	(19/32)
Astrocytoma	41
Grade II	5 (5/0)
Grade III	11 (3/8)
Grade IV	25 (1/24)
Oligodendroglioma	10
Grade II	5
Grade III	5
1p/19q co-deletion (non/co-deletion)	31/20
SUV ratio (IQR 25%–75%)
White matter	4.83 (3.69–7.02)
Gray matter	2.48 (1.63–3.32)
Choroid plexus	1.65 (1.23–2.41)
Cerebellum	2.29 (1.73–3.43)

WHO, World Health Organization