Table 2 Odds Ratios (95% CI) for head and neck cancer according to the studied polymorphisms

191 (67.5)

209 (70.8)

1*

1*

1*

1*

1*

92 (32.5)

86 (29.2)

1.30 (0.81 – 2.10)

1.46 (1.78 – 2.88)

1.75 (0.61 – 5.00)

0.55 (0.18 – 1.75)

1.17 (0.69 – 1.98)

175 (61.85)

169 (57.3)

1*

1*

1*

1*

1*

108 (38.2)

126 (42.7)

1.07 (0.68 – 1.67)

1.02 (0.53 – 1.97)

1.66 (0.59 – 4.62)

0.87 (0.34 – 2.22)

0.91 (0.55 – 1.49)

194 (68.5)

192 (65.1)

1*

1*

1*

1*

1*

89 (31.5)

86 (34.9)

0.99 (0.63 – 1.58)

0.49 (0.23 – 1.05)

1.28 (0.45 – 3.65)

0.70 (0.26 – 1.91)

1.00 (0.60 – 1.67)

187 (66.1)

214 (72.5)

1*

1*

1*

1*

1*

96 (33.9)

81 (27.5)

1.51 (0.94 – 2.43)

2.43 (1.23 – 4.81)^§

1.99 (0.69 – 5.69)

0.48 (0.13 – 1.71)

1.46 (0.86 – 2.46)