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目的分析南宁市城市居民体重指数(BM I)与糖尿病(DM)发病的关系。方法对南宁市样本区随机抽取5个街道社区(居委会)810户,每户抽取年龄在35~74岁的居民1人,共810人。分别检测体重、体重指数(BM I)、餐后12 h空腹血糖(FPG);按DM糖耐量低减(IGT)诊断标准分别计算各组的患病率并对照比较。结果DM患病率以65~74岁组最高,达14.56%;IGT患病率以55~64岁组最高,达16.28%;BM I肥胖组DM、IGT患病率均比正常体重组高,分别高出8.49%及14.48%;不同性别DM、IGT患病率无明显差异。结论南宁市城市居民DM与IGT的患病情况与年龄呈正比关系,提示超重和肥胖是DM的重要危险因素之一;DM及IGT在南宁市城市居民中已占有相当大的比例。
Objective To analyze the relationship between body mass index (BM I) and diabetes mellitus (DM) in Nanning city. Methods A total of 810 community-based neighborhoods (neighborhood committees) were randomly selected from sample areas of Nanning City. Each household sampled 1 resident population aged 35-74 years, with a total of 810 people. Body mass index (BMI) and fasting plasma glucose (FPG) at 12 h postprandial were measured respectively. The prevalences of each group were calculated according to the diagnostic criteria of IGT. Results The prevalence of DM was the highest in 65-74 years old group (14.56%). The prevalence of IGT was highest in 55-64 years old group (16.28%). The prevalence of DM and IGT in BM-I obesity group was higher than that in normal weight group Respectively, higher than 8.49% and 14.48%. There was no significant difference in the prevalence of IGT between different sexes. Conclusion The prevalence of DM and IGT in urban residents in Nanning City is directly proportional to the age, suggesting that overweight and obesity are important risk factors for DM. DM and IGT occupy a large proportion of urban residents in Nanning.