The odds ratio (OR) estimated by combined analysis w ith AGT TT and ACE DD genotypes (3.61) was markedly increased compared with that e stimated alone from either AGT TT(1.77) or ACE DD (1.23) genotype.

• 联合分析 ACE DD型及 AGTTT型罹患冠心病的相对风险 ；其比数比 ( OR)为 3 .；61；高于单基因 ACE DD型 ( 1