Promoter Methylation Status of Breast Cancer Susceptibility Gene 1 and 17 Beta Hydroxysteroid Dehydrogenase Type 1 Gene in Sporadic Breast Cancer Patients

Table 8

Relation between combined BRCA1 and 17βHSD-1 promoter methylation and the type of breast tissues of 40 sporadic breast cancer patients.

Combined BRCA1 and 17βHSD-1 promoter methylation
	⁢⁢Overall ()		⁢⁢Methylated		⁢⁢Unmethylated		value	OR (95% CI)
	Freq.	%	Freq.	(%)	Freq.	(%)
Type of tissue
Cancer tissues	40	100.0%	18	(45.0)	22	(55.0)	0.361	1.5 (0.6–3.7)
Normal tissues	40	100.0%	14	(35.0)	26	(65.0)
Total	80	100.0%	32	(40.0)	48	(60.0)

Chi-square test is statistically significant at 95% confidence level.