Table 4. Quantitative analyses for the relationships between XRCC1polymorphisms and cervical cancer(CC) risk based on adjusted OR (95%CI).

Genetic	Comparisons	Sample size		Adjusted OR	Pz-test	Pheterogeneity	Model
polymorphisms		Na	Case/Control	(95%CI)
XRCC1 Arg399Gln	Gln/Gln vs. Arg/Arg	6		1.23(0.94,1.61)	0.127	0.012	Random
(Total)	Arg/Gln vs. Arg/Arg	6		1.04(0.74,1.45)	0.843	0.001	Random
	Gln/Gln+Arg/Gln vs. Arg/Arg	6		1.06(0.76,1.48)	0.736	0.000	Random
XRCC1 Arg399Gln	Gln/Gln vs. Arg/Arg	5		1.34(1.01,1.78)	0.046	0.017	Random
(Asian)	Arg/Gln vs. Arg/Arg	5		1.29(1.11,1.50)	0.001	0.276	Fixed
	Gln/Gln+Arg/Gln vs. Arg/Arg	5		1.25(0.98,1.59)	0.078	0.054	Random
XRCC1 Arg194Trp	Trp/Trp vs. Arg/Arg	3		2.15(1.53,3.04)	0.000	0.372	Fixed
(Total)	Arg/Trp vs. Arg/Arg	3		1.19(0.97,1.46)	0.106	0.338	Fixed
	Trp/Trp+Arg/Trp vs. Arg/Arg	3		1.33(1.09,1.61)	0.004	0.606	Fixed