Table 2.

Genotypic Distribution of TP53 (codon 72) and XPD (codon 751) in the Study Subject and Risk of Lung Cancer

Gene	Genotype	Control (n=200) n (%)	Patient (n= 180) n (%)	OR (95% CI)	P-value
TP53	Arg/Arg	74 (37.00)	66 (36.67)	1.0 (Ref.)
	Arg/Pro	116 (58.00)	101 (56.11)	0.976 (0.64-1.50)	0.914
	Pro/ Pro	10 (5.00)	13 (7.22)	1.458 (0.60-3.55)	0.501
XPD	Lys/Lys	103 (51.50)	80 (44.44)	1.0 (Ref.)
	Lys/Gln	88 (44.00)	75 (41.67)	1.097 (0.72-1.68)	0.745
	Gln/Gln	9 (4.50)	25 (13.89)	3.576 (1.58-8.09)	0.002*

Odds ratios (OR) and 95% confidence interval (95%CI); *p<0.05 considered as level of significance.