Table 2. Correlation of the global DNA methylation measures between sisters discordant for breast cancer by blood cell type, New York site of the BCFR.

	Granulocytes			Total White Blood Cells			Pooled Source
	N	r	p value	N	r	p value	N	r	p value
[3H]-methyl acceptance assay (DPM/μg)	64	-0.08	0.51	134	0.24	0.006	198	0.19	0.006
LUMA (% DNA methylation)	80	0.21	0.06	155	0.13	0.10	235	0.16	0.01