Table 2.

Genotype distribution in lung cancer and Allele frequency

											Allele frequency
Genotype		patients (n = 108)		controls (n = 121)		crude		adjusted			patients	controls
		n	%	n	%	OR (95%CI)	P-value	OR (95%CI)a	P-value		%	%
OGG1
	Ser/Ser	27	25.0	39	32.2	1.00		1.00		Ser	0.505	0.546
	Ser/Cys	55	50.9	54	44.6	1.47 (0.79–2.73)	0.221	1.52 (0.80–2.91)	0.204	Cys	0.495	0.455
	Cys/Cys	26	24.1	28	23.1	1.34 (0.65–2.77)	0.427	1.47 (0.69–3.12)	0.313
MUTYH
	Gln/Gln	22	20.3	37	30.6	1.00		1.00		Gln	0.468	0.591
	Gln/His	57	52.8	69	57.0	1.39 (0.74–2.62)	0.309	1.35 (0.70–2.61)	0.376	His	0.532	0.409
	His/His	29	26.9	15	12.4	3.25 (1.44–7.36)	0.005	3.03 (1.31–7.00)	0.010

a: OR adjusted for gender, age, smoking habit