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Table 7 The genotype and allele frequency and odds ratios (OR) of the Arg194Trp 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 49 (0.74) 44 (0.85) 0.52 (0.20 – 1.33)
Arg/Trp 17 (0.26) 8 (0.15) 1.91 (0.75 – 4.85)
Trp/Trp 0 (0.00) 0 (0.00) ---------
Arg 115 (0.87) 96 (0.92) 0.56 (0.23 – 1.36)
Trp 17 (0.13) 8 (0.08) 1.77 (0.73 – 4.28)