Genotype Case group(N=1138) Control group(N=1342) χ2 P OR 95%CI
AA 281 294
AG 556 648
GG 301 400 4.555 0.103
Additive gene
AA 281 294
AG+GG 857 1048 2.682 0.102 0.856 0.710-1.031
allele
A 1118 1236
G 1158 1448 4.657 0.031a 0.884 0.791-0.989