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The latest epidemiological data of diabetes in China in 2020: nearly 130 million
Time: 2020-6-8 14:57:37

Research background

       On April 28, 2020, the latest epidemiologicalsurvey results led by Professor Teng Weiping were published online in BMJmagazineWeipingTeng, BMJ. 2020; 369: m997.)。

    The data of the current survey are from theepidemiological investigation of thyroid disease, iodine level and diabetes.(Thyroid disorders, Iodinestatus and Diabetes Epidemiological survey, TIDE study).Using multi-stage stratified samplingmethod, a national representative sampling was conducted for the populationover 18 years old, with a total number of 75880 people, covering 31 provincesin China.

    Research results

    1.The prevalence of adult diabetes in Chinakeeps increasing

According to ADA standard, the prevalence of diabetes in Chinese adults is 12.8%, the proportion of pre diabetes is 35.2%. The total number of diabetes patients is 129.8 million, including 59.4 million female patients and 70.4 million male patients.

      2.Risk factors of diabetes

Family history, old age, male, overweight, obesity and central obesity are the main risk factors of diabetes.

    3.The regional difference between diabetesand prediabetes

In 31 provinces, the proportion of diabetes mellitus and prediabetes is quite different. The prevalence of diabetes mellitus was the highest in Inner Mongolia (19.9%), the lowest in Guizhou (6.2%); the pre diabetes ratio was the highest in Yunnan (54.5%), and the lowest in Anhui (17.2%).

  4.BMI and waist circumference significantly affect the prevalence of diabetes

   The authors defined overweight, obesity and central obesity by body mass index (BMI) and waist circumference respectively (Figure 7). The results showed that: with the increase of BMI, the prevalence of diabetes and the proportion of pre diabetes increased; the prevalence of diabetes and the proportion of pre diabetes in the central obesity group were significantly higher than those in the normal body type group; in 10 years, the average BMI There was no significant change, but the prevalence of central obesity was increasing.