Survival study on type 2 diabetes mellitus with chronic complications

  Objective   To find the risk factors of type 2 diabetes with chronic complications by means of the survival study.

  Methods   Aprognostic index (PI) based on the Cox's proportional hazards regression model was constructed.patients were classified to different hazard groups by PI and their kaplain-meir's survival curves were compared.

  Results   The risk factors of diabetic micro-angiopathy were age and inheritance; the risk factors of diabetic macro-angiopathy were age, inheritance, culture degree, bad habits and history of hypertension and cardiopathy.There were distinctly different among the 3 groups.

  Conclusion   PI may provide valuable information to physicians in the planning of treatment for individual duabetes patients in further clinical trials, so that it can help reduce the incidence of choronic complications and improve their quality of life at last.