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Figure 3 Lower restenosis rates after femoropopliteal balloon angioplasty in homozygous and heterozygous class S allele carriers compared with non-carriers of the class S allele in the heme oxygenase-1 gene promoter (p < 0.001). Bars indicate percentage of patients with and without restenosis according to the heme oxygenase-1 (HO-1) promoter genotype; point estimates and 95% confidence interval indicate the percentage of patients with restenosis for each HO-1 promoter genotype.
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