Conclusions The 4G/5G genetic polymorphism of PAI-1 gene is possiblly associated with PAOD,the 4G/4G genotype might be a risk factor of PAOD.

• 结论 PAI-1基因启动子区4G/5G的多态性可能与周围动脉闭塞性疾病有关，其4G/4G基因型可能是该病的一个危险因素。