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Table 8 The genotype and allele frequency and odds ratios (OR) of the Arg399Gln polymorphism of XRCC1 gene in squamous cell carcinoma of the head and neck (HNSCC) patients and the controls with positive smoking status.

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 = 66)
Number (frequency)
Controls
(n = 52)
Number (frequency)
OR (95% CI)
Arg/Arg 19 (0.29) 36 (0.69) 0.18 (0.08 – 0.39)
Arg/Gln 36 (0.55) 16 (0.31) 2.70 (1.26 – 5.78)
Gln/Gln 11 (0.16) 0 (0.00) ---------
Arg 74 (0.56) 88 (0.85) 0.22 (0.12 – 0.41)
Gln 58 (0.44) 16 (0.15) 4.31 (2.29 – 8.13)