Table 3.

The subgroup analysis of the associations between methylation of genes and the risk of breast cancer based on different age

	Crude OR (95% CI)	P Value	OR adjusteda (95% CI)	P Value
WT1
<60
Unmethylation	1		1
Methylation	1.64(0.95–2.84)	0.08	2.64(1.31–5.32)	0.01
≥ 60
Unmethylation	1		1
Methylation	3.16(1.05–9.50)	0.04	4.72(1.31–16.97)	0.01
CA10
<60
Unmethylation	1		1
Methylation	1.56(1.15–2.11)	0.05	1.32(0.90–1.96)	0.15
≥ 60
Unmethylation	1		1
Methylation	1.20(0.61–2.37)	0.60	1.52(0.69–3.37)	0.30

^a Adjusted by propensity score