Table 3.

Data summary of total DNA methylation in tumor tissue and peripheral blood samples of 29 patients with various meningioma types with numerical amount and grade distribution. Median age (in years) in the histological subclasses, and female to male (F:M) ratio is also given

Histological type	Grade	No of cases	Median age	F:M ratio	R tissue	SD R tissue	R blood	SD R blood
Meningothelial meningioma	I	10	53.0	9:1	1.58	0.03	1.60	0.09
	II	1	57.0	1:0	1.13	0.04	1.48	0.08
Fibrous meningioma	I	4	63.75	2:2	1.61	0.07	1.63	0.08
Transitional meningioma	I	1	71.0	1:0	1.48	0.04	1.56	0.1
Angiomatous meningioma	I	5	61.0	3:2	1.50	0.02	1.50	0.12
Mixed meningioma	I	1	69.0	1:0	1.53	0.06	1.63	0.12
	II	2	64.0	2:0	1.48	0.09	1.62	0.07
Atypical meningioma	II	3	65.3	1:2	1.47	0.05	1.41	0.06
Anaplastic meningioma	III	2	58.0	2:0	1.21	0.03	1.11	0.22