Table 3.

Prevalence of methylation of different genes in tissues of gliomas patients and relation to clinical data (%).

CharacteristicsSubjectMGMThMLH1hMSH2Any gene
Gender
    Male189 (50)2 (11.1)4 (22.2)12 (66.7)
    Female219 (42.9)2 (9.5)4 (19)13 (61.9)
Age, years
    Mean age40.643.242.745.943.8
Pathological type
    Astrocytoma116 (54.5)1 (9.1)2 (18.2)8 (72.7)
    Oligodendroglioma51 (20)1 (20)2 (40)
    Oligoastrocytoma104 (40)1 (10)1 (10)5 (50)
    Multiform-spongioblastoma137 (53.8)2 (15.4)4 (30.7)10 (76.9)
Stage
    Early177 (41.2)2 (11.8)3 (17.6)11 (64.7)
    Late2211 (50)2 (9.5)5 (22.7)14 (63.6)
Grade
    I~II157 (46.7)2 (13.3)2 (13.3)9 (60)
    III~IV2411 (45.8)2 (8.3)4 (16.7)16 (66.7)