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目的分析体质指数(BMI)、腰围(WC)、腰围/身高比值(WHtR)3个肥胖指标与MS及其他组分的相关性。方法选取2008年参加健康体检的延吉市某社区居民,进行问卷调查、血压测量、体格检查及生化指标检测。对资料完整的886例对象按照不同的BMI、WC水平进行分层,比较分析代谢异常组分患病情况。对WHtR指标与MS其他组分异常数量的相关性进行分析,并寻找适合的切点,分析其对MS的患病风险。结果调查对象中肥胖程度比较严重,且各项指标存在性别差异;各项代谢异常患病率均与BMI和WC有关,两者均异常时,各项表示代谢性健康风险的OR值明显高于BMI与WC各单项异常组(P﹤0.01),但仅有腹型肥胖时,其OR值均高于BMI超重而WC正常者;WHtR与代谢异常数量之间存在正相关(r=0.479,P﹤0.01),当WHtR超过0.50时,个体MS患病危险度显著增加(OR:1.564,95%CI:1.046～1.896,P﹤0.01)。结论 BMI和WC异常可增加代谢异常疾病的患病风险,WHtR是较好代表中心性肥胖的指标,在防治MS其他组分时应将体脂增多同时伴有脂肪分布异常者列为重点高危人群。
Objective To analyze the correlation between body mass index (BMI), waist circumference (WC), waist circumference / height ratio (WHtR) and other obesity markers. Methods The residents of a community in Yanji City, who took part in the physical examination in 2008, were selected for questionnaire survey, blood pressure measurement, physical examination and biochemical tests. 886 subjects with complete data were stratified according to different BMI and WC levels, and the prevalence of abnormal metabolic components was compared. The correlation between the WHtR index and the abnormal quantity of other components of MS was analyzed, and the suitable cut point was analyzed to analyze the risk of MS. Results The prevalence of obesity in the survey subjects was relatively serious with gender differences in each index. The prevalences of metabolic abnormalities were all related to BMI and WC. When both were abnormal, the OR values of all the indicated metabolic health risks were significantly higher than those of WC (P <0.01). However, the odds ratio of WHtR was positively correlated with the number of metabolic abnormalities (r = 0.479, P <0.01). When WHtR exceeded 0.50, the risk of MS was significantly increased (OR: 1.564, 95% CI: 1.046-1.896, P <0.01). Conclusions BMI and WC abnormalities may increase the risk of metabolic disorders. WHtR is a good indicator of central obesity. In the prevention and treatment of other components of MS, the increase of body fat and the abnormal distribution of fat should be listed as the most important risk groups .