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Table 4 Haplotypes distribution and frequencies of XRCC1 gene polymorphisms in squamous cell carcinoma of the head and neck (HNSCC) patients and the controls.

From: Genetic polymorphisms in DNA base excision repair gene XRCC1 and the risk of squamous cell carcinoma of the head and neck

Haplotypes XRCC1-194–399 HNSCC patients
(n = 92)
Number (frequency)
Controls
(n = 124)
Number (frequency)
OR (95% CI)
Arg/Arg-Arg/Arg 29 (0,32) 43 (0,35) 1 (reference)
Arg/Trp-Arg/Arg 12 (0.13) 6 (0.05) 2.96 (1.01; 8.80)
Trp/Trp-Arg/Arg 0 (0.00) 0 (0.00) ---------
Arg/Arg-Arg/Gln 36 (0.39) 40 (0.32) 1.33 (0.70; 2.56)
Arg/Trp-Arg/Gln 8 (0,09) 13 (0,10) 0.91 (0.34; 2.48)
Trp/Trp-Arg/Gln 0 (0.00) 0 (0.00) ---------
Arg/Arg-Gln/Gln 6 (0.07) 19 (0.15) 0.47 (0.17; 1.31)
Arg/Trp-Gln/Gln 1 (0.01) 3 (0.02) 0.49 (0.05; 4.99)
Trp/Trp-Gln/Gln 0 (0,00) 0 (0,00) ---------