Table 2 The frequencies of genotypes among DAPK methylated and unmethylated groups

the number of subjects

231

296

mean age ± SD

59.6 ± 13.4

62.1 ± 13.8

0.035

male : female

137 : 94

182 : 114

NS

H. pylori positivity

122/231

216/296

<0.0001

non-GC : GC

211 : 20

201 : 95

<0.0001

HRH2 rs2607474 genotype

GG

155

246

<0.0001#

GA

72

47

AA

4

3

A allele frequency

17.3%

9.0%

<0.0001