Genotypes/Alleles Patients (n=100) Controls (n=100) OR (95% CI) p value GG 95 (95%) 100 (100%) Reference Reference GA 5 (5%) 0* (0) 1.1  (1.0-1.8) 0.03 AA 0 (0) 0 (0) - - G 195 (97.5) 200 (100) 1.1  (1.0-1.9) 0.03 A 05 (2.5) 0 (0) Reference Reference

Table 1: Genotype and allele frequency of FVL (G1691A) gene mutations.