ACE and Hypertension: The additive model (ID, DD versus II) of the ACE (rs4646994) genotype revealed an association with hypertension with adjusted OR of 1.43(95% CI: 1.04-1.97), and ID genotype with adjusted OR of 1.72(95% CI: 1.01-2.92), DD genotype with adjusted OR of 1.94(95% CI: 1.01-3.73), respectively (Table 4).