Table 3: Associations between demographic and clinical data of patients and methylation of SOX2 and OCT4 genes

	SOX2 Gene					OCT4 Gene
	Methylated group	Unmethylatedgroup	P value		Methylated group	Unmethylatedgroup	P value
Gender
Male	10	3	0.4171		13	0	0.5806
Female	12	6			17	1
Age
< 60	14	5	0.4894		18	1	0.6129
= 60	8	4			12	0
OMS grades
Low-grades (I and II)	8	3	0.6058		10	1	0.3548
High-grades (III and IV)	14	6			20	0