Prevalence of type 2 diabetes mellitus among inland residents in China (2000–2014): A meta‐analysis

Abstract

Aims/IntroductionBesides the aging population in China, the following have become serious public health problems: increasing urban population, lifestyle changes and diabetes. We assessed the epidemiology of type 2 diabetes mellitus in China between 2000 and 2014, and analyzed time trends to better determine the prevalence status of diabetes in China and to provide a basis for prevention and decision‐making.Materials and MethodsIn our systematic review, we searched China National Knowledge Infrastructure, Chinese VIP Information, Wanfang and PubMed databases for studies on type 2 diabetes mellitus between 2000 and 2014 in China. Two investigators extracted the data and assessed the quality of the included literature independently. We excluded studies that did not use 1999 World Health Organization criteria for diabetes. We also excluded reviews and viewpoints, studies with insufficient data, studies that were not carried out in mainland China and studies on troops, community, schools or physical examination people. We used stata 12.0 to combine the prevalence of all studies, calculated the pooled prevalence and its 95% confidence interval, and analyzed the differences among men/women, urban/rural areas and year of study. We calculated the prevalence of seven geographic areas of China, respectively, and mapped the distribution in the whole country to estimate the pooled prevalence of each area.ResultsOur search returned 4,572 studies, 77 of which satisfied the inclusion criteria. The included studies had a total of 1,287,251 participants, in which 680,574 cases of type 2 diabetes mellitus were recorded. The overall prevalence (9.1%) has been increasing since the 1970s, and it increased rapidly with age. The prevalence of the 65–74 years group was as high as 14.1%. Meanwhile, the prevalence among men/women and urban/rural areas was significantly different. The prevalence was 9.9% for men and 11.6% for women, which were significantly higher than the average at the end of the last century and the beginning of this century. The prevalence rate in urban areas (11.4%) was significantly higher than that in rural areas and in urban‐rural fringe areas, and the prevalence in rural areas (8.2%) was slightly higher than that in urban‐rural fringe areas (7.5%). In addition, the prevalence in each geographic area were estimated and mapped, which showed a large imbalance in the map.ConclusionsOur analysis suggested that type 2 diabetes mellitus is highly prevalent in China. These results underscore the urgent need for the government to vigorously strengthen the management of diabetes prevention and control.

Body mass index and risk of all-cause mortality with normoglycemia, impaired fasting glucose and prevalent diabetes: results from the Rural Chinese Cohort Study

“…Among 12 million Korean adults, the optimal BMI for the lowest mortality increased with worsening diabetes for both sexes. Diabetes is increasing alarmingly in the ethnic Chinese population in China,31 which is similar to our findings. A nationally representative cohort including 89 056 Taiwanese patients with diabetes first demonstrated the existence of the ‘obesity paradox’ for the 12-year all-cause mortality seen in China; however, BMI was self-reported 30.…”

Prevalence of diabetic retinopathy among 13473 patients with diabetes mellitus in China: a cross-sectional epidemiological survey in six provinces

“…15 China has experienced an economic blooming during the past 30 years, as well as the blood glucose level among Chinese citizens 16. Recent studies reported a rapid increasing prevalence of diabetes, especially in middle-aged high-risk men 17–18. What is worse, the treatment condition of DM is not satisfying—only one-fourth of overall patients with diabetes were treated and only two-fifths of them had their glycated haemoglobin (HbA1c) controlled to a proper concentration (<7.0%) 19.…”

A Mobile‐Based Question‐Answering and Early Warning System for Assisting Diabetes Management

“…In subsequent medical Q&A developments, diabetes mellitus, as one of the top three major worldwide causes of death from noncommunicable diseases, has prompted numerous researches investigating the prevention, prevalence, and mortality of diabetes mellitus [15,[44][45][46][47][48][49][50][51][52][53]. There is a great demand for a Q&A system that can effectively and efficiently provide health consulting services and assist people in monitoring and managing their individual health conditions.…”