Table 2.

Genotypic Frequency of DNMT3B -149 among Lung Cancer Patients and Healthy Controls

Variables	Cases	Controls	Unmatched	Matched	Adjusted
	N=190	N=380	OR (95% CI)a	OR (95% CI)b	OR (95% CI)c
DNMT3B -149 genotypes
TT	183 (96.3%)	345 (90.8%)	2.65 (1.16-6.09)d	2.65 (1.15-6.10)d	2.58 (0.98-6.78)f
CT	7 (3.7%)	35 (9.2%)	1	1	1
CC	0 (0.0%)	0 (0.0%)
T allele	373 (98.2%)	725 (95.4%)	2.57 (1.13-5.85)d	2.24 (1.03-4.88)e	1.9 (0.84-4.28)
C allele	7 (1.8%)	35 (4.6%)	1	1	1

^aData were calculated by unconditional logistic regression;

^bData were matched by age and gender, calculated by conditional logistic regression;

^cMatched data were calculated by conditional logistic regression and adjusted for pack-years of smoking, green tea consumption, exposure to cooking fumes, and family history of lung cancer;

^dP, 0.02;

^eP, 0.04;

^fP, 0.06.