Association of P2Y12 Gene Promoter DNA Methylation with the Risk of Clopidogrel Resistance in Coronary Artery Disease Patients

Table 3

Comparison of P2Y12 methylation levels between cases and controls in subgroup of alcohol abuse or not.

	Alcohol abuse			No alcohol abuse
	Cases (𝑛=9); Mean ± s.e.	Controls (𝑛=10); Mean ± s.e.	𝑃 value	Cases (𝑛=40); Mean ± s.e.	Controls (𝑛=47); Mean ± s.e.	𝑃 value
P2Y12 CpG1, (%)	36.67±7.25	46.70±7.42	0.009	44.80±11.17	44.51±9.63	0.897
P2Y12 CpG2, (%)	31.89±5.18	38.70±6.48	0.022	38.15±7.53	37.02±6.93	0.469