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Table 3 Distribution of genotypes and frequency of alleles of the Arg/Gln 399 (G/A 28152 exon 9) polymorphism of XRCC1 gene 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

Genotype Allele HNSCC patients
(n = 92)
Number (frequency)
Controls
(n = 124)
Number (frequency)
OR (95% CI)
Arg/Arg 37 (0,40) 49 (0.40) 1 (reference)
Arg/Gln 44 (0.48) 53 (0.43) 1.10 (0.61; 1.97)
Gln/Gln 11 (0.12) 22 (0.18) 0.66 (0.29; 1.53)
Arg 118 (0.64) 151 (0.61) 1 (reference)
Gln 66 (0.36) 97 (0.39) 0.87 (0.59; 1.29)