Table 8.

Association of XRCC1 Genotype Combinations with Esophageal Cancer

Genotype Combination*	Patients	Controls	Odds Ratio (95% CI)	p value
AA-CC-CC	19	45	0.5(0.3–0.9)	0.02
AA-nn-CC	21	47	0.5(0.3–0.9)	0.03
AA-CC-nn	20	47	0.5(0.3–0.9)	0.02
nn-CT-CC	28	34	1.1(0.6–1.9)	0.69
An-Tn-CC	18	20	1.2(0.6–2.4)	0.56
An-nn-Cn	121	175	0.8(0.6–1.2)	0.28
nn-Tn-Cn	32	37	1.2(0.7–1.9)	0.52
Gn-Tn-Cn	30	35	1.2(0.7–1.9)	0.56

Notes: *Genotypes of XRCC1 p.Arg399Gln, p.Arg194Trp and p.Arg280His. n: any allele. p value <0.05 is taken as statistically significant (bold values)