Table 2.

Logistic regression models of DAPK and RASSF1A promoter methylation (n = 122)

	DAPK		RASSF1A
	OR (95% CI)	p	OR (95% CI)	p
Age	1.022 (0.977–1.068)	0.352	1.003 (0.964–1.045)	0.872
Sex	1.911 (0.746–4.894)	0.177	1.203 (0.513–2.822)	0.671
Smoking	1.743 (0.642–4.732)	0.275	1.006 (0.410–2.469)	0.990
Histology†	0.709 (0.465–1.082)	0.111	0.661 (0.454–0.962)	0.031
Stage‡	0.804 (0.509–1.269)	0.348	0.673 (0.444–1.022)	0.063

OR: odds ratio; CI: confidence interval.

†: the group of other tumor types vs. adenocarcinoma.

‡: the group of other stages vs. stage I.