Abstract：Objective To investigate the prevalence and influencing factors of abnormal ankle-branchial index（ABI）among community diabetic patients in Liangxi District of Wuxi. Methods From April to October 2018,the community patients with type 2 diabetes mellitus（T2DM）were selected from 12 streets in Liangxi District by convenient sampling method. The general information,body mass index（BMI）,fasting blood glucose and ABI of the patients were collected by questionnaire survey,physical examination and laboratory test. The influencing factors for ABI abnormality were analyzed by multinomial logistic regression models. Results A total of 2 235 patients with T2DM were investigated,with an average age of（67.74±7.85）years old and an average course of disease of（10.25±7.38）years. There were 210 cases（9.40%）of low ABI,1 972 cases（88.23%）of normal ABI,and 53 cases（2.37%）of high ABI. The results of multinomial logistic regression analysis showed that systolic blood pressure（OR=1.021,95%CI：1.013-1.029）,age（OR=1.081,95%CI：1.059-1.105）,course of disease（OR=1.023,95%CI：1.004-1.041）and regular exercise（OR=0.499,95%CI：0.366-0.681）were influencing factors for low ABI;BMI（OR=1.120,95%CI：1.034-1.213）was a risk factor for high ABI. Conclusions The prevalence of abnormal ABI is high among community patients with T2DM in Liangxi District. Systolic blood pressure,age,course of disease,BMI and regular exercise are the influencing factors for ABI abnormality.
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