ABCA1 and coronary artery disorder: Moreover, investigating the prevalence of ABCA1 DNA methylation between the older (age>65 years, mean age: 74.7±8.2; n=38) and younger (age<65 years, mean age: 53.9±9.9; n=72) CAD patients indicated that 11 out of 38 older CAD patients had methylated ABCA1 gene, while 7 out of 72 younger CAD patients revealed methylated ABCA1 gene.