Table 1.

Clinical parameters of LGG patients in TCGA (n=524)

Variable		Number of patients	Percentage of patients
Gender	Male	288	55.0%
	Female	236	45.0%
Age (years)	<41	258	49.2%
	≥41	266	50.8%
WHO Grade	II	254	48.5%
	III	270	51.5%
IDH1 mutation	Yes	388	74.0%
	No	136	26.0%

Abbreviations: IDH1, isocitrate dehydrogenase 1; LGG, low-grade gliomas; TCGA, the Cancer Genome Atlas.