Table 4

	Control group	G1	G2	G3		χ²	p	OR	95%CI
ERCC4rs3136176 / ERCC4rs1799798
A A	45.89 (0.111)	11.00 (0.239)	22.98 (0.129)	5.00 (0.156)	Control vs. G1 Control vs. G2 Control vs. G3 G1 vs. G2 G1 vs. G3 G2 vs. G3	6.204 0.378 0.588 3.437 0.795 0.173	0.012770 0.538724 0.443270 0.063750 0.795 0.677755	2.507 1.183 1.477 2.120 0.795 1.249	1.191 – 5.274 0.693 – 2.019 0.542 – 4.024 0.946 – 4.750 0.183 – 1.899 0.437 – 3.569
A G	267.11 (0.645)	22.00 (0.478)	105.02 (0.590)	14.00 (0.438)	Control vs. G1 Control vs. G2 Control vs. G3 G1 vs. G2 G1 vs. G3 G2 vs. G3	5.153 1.823 5.691 1.861 0.126 2.570	0.023232 0.176953 0.017071 0.172506 0.722583 0.108888	0.497 0.780 0.422 0.637 0.849 0.540	0.269 – 0.917 0.544 – 1.119 0.204 – 0.872 0.332 – 1.221 0.343 – 2.102 0.253 – 1.155
T G	98.89 (0.239)	13.00 (0.283)	49.98 (0.281)	13.00 (0.406	Control vs. G1 Control vs. G2 Control vs. G3 G1 vs. G2 G1 vs. G3 G2 vs. G3	0.405 1.093 4.348 0.001 1.298 2.032	0.524449 0.295801 0.037069 0.980831 0.254545 0.154011	1.247 1.236 2.166 1.009 1.737 1.752	0.631 – 2.462 0.831 – 1.839 1.032 – 4.543 0.491 – 2.073 0.669 – 4.508 0.805 – 3.813
T A	2.11 (0.005)	0.00 (0.000)	0.02 (0.000)	0.00 (0.000))	Control vs. G1 Control vs. G2 Control vs. G3 G1 vs. G2 G1 vs. G3 G2 vs. G3	– – – – – –	– – – – – –	– – – – – –	– – – – – –
Global result: total Control= 414.0, total G1= 46.0, total G2= 178.0, total G3= 32.0 Control vs. G1: χ²_Global= 7.638241, df= 2 (frequency <0.03 in both control & G1 has been dropped), p_Fisher's= 0.022011, p_Pearson's= 0.021947 Control vs. G2: χ²_Global= 1.823813, df= 2 (frequency <0.03 in both control & G2 has been dropped),p_Fisher's= 0.401824,p_Pearson's= 0.401758 Control vs. G3: χ²_Global= 5.859575, df= 2 (frequency <0.03 in both control & G3 has been dropped),p_Fisher's= 0.053500,p_Pearson's= 0.053408 G1 vs. G2: χ²_Global= 3.721821, df= 2 (frequency <0.03 in both G1 & G2 has been dropped),p_Fisher's= 0.155639,p_Pearson's= 0.155531 G1 vs. G3: : χ²_Global= 1.565432, df= 2 (frequency <0.03 in both G1 & G3 has been dropped),p_Fisher's= 0.457219,p_Pearson's= 0.457219 G2 vs. G3: χ²_Global= 2.685530, df= 2 (frequency <0.03 in both G2 & G3 has been dropped),p_Fisher's= 0.261217,p_Pearson's= 0.261123

Table 4: ERCC4 rs3136176 and ERCC4 rs1799798 haplotype frequencies in patients with cervical squamous cell carcinoma (CSCC) well (G1), moderately (G2) and poorly (G3) differentiated and healthy women.