Objective To study the characteristics of TCM syndromes of chronic complications of type Ⅱ diabetes.Methods The basic information

TCM four diagnostic information

and accessory examination information of 162 type Ⅱ diabetes patients with chronic complications were collected.The TCM syndromes of these complications were objectively studied with factor analysis

cluster analysis

and Logistic regression analysis.Results Through the factor analysis

15 common factors basically accorded with TCM syndrome diagnosis were obtained.With the cluster analysis

taking the symptoms and signs as the independent variables

the TCM syndromes of the 162 patients were classified into 5 types.From the binary classification Logistic regression analysis

all syndrome models were confirmed finally.Conclusion By using the multiple statistical analyzing methods

the TCM syndromes of chronic complications of type Ⅱ diabetes are attributed to 5 types

namely

phlegm damp blood stasis

qi and yin both deficiency

spleen deficiency phlegm abundance

yin deficiency heat abundance

as well as yin and yang both deficiency with blood stasis water retention.