Genetic Polymorphism of Angiotensin-Converting Enzyme and Chronic Obstructive Pulmonary Disease Risk: An Updated Meta-Analysis

Figure 1

Odds ratio and 95% CI of individual and pooled data for the ACE insertion/deletion polymorphism and susceptibility to COPD in Asian. (a) D/D genotype versus I/I genotype, (b) I/D genotype versus I/I genotype, (c) D allele versus I allele, (d) D/D genotype + I/D genotype versus I/I genotype, and (e) D/D genotype versus I/D genotype + I/I genotype.

(a)

(b)

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(d)

(e)