Table 2

Genotype distribution and allele frequency of 2245G/A polymorphisms in the groups studied

Clinical groupGenotype distributionAllele frequency (%)p ValueHWE
GGGAAAGA
Control (n=235)209 (88.9)26 (11.1)0 (0.0)94.55.50.81
DNR (n=171)143 (83.6)28 (16.4)0 (0.0)91.88.2NS1.36
DR (n=171)119 (68.6)52 (31.4)0 (0.0)84.815.2<0.001 (<0.01*)5.5
  • Data are reported as values with per cent in parentheses unless otherwise indicated.

  • * Compared with DNR.

  • DNR, diabetic non-retinopathy; DR, diabetic retinopathy; HWE, Hardy–Weinberg equilibrium in χ2 value.