Association of Matrix Metalloproteinase 9 (MMP-9) Polymorphisms with Asthma Risk: A Meta-Analysis

Figure 6

Begg’s funnel plot with pseudo 95% confidence limits for publication bias on MMP-9 −1562 C > T, rs3918242 polymorphism and asthma susceptibility in the dominant model, recessive model, homozygote model, and allele model comparison. (a) Dominant model. (b) Recessive model. (c) Homozygote model. (d) Allele model.

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