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中文摘要: 摘 要 ：目的：调查辽宁省老年人身体质量指数 ( body mass index,BMI) 分布及慢性病患病情况， 分析老年人BMI水 平对死亡的影响。方法：2017—2019年采用分层整群随机抽样的方法选取辽宁省10136名≥60岁老年人进行问卷调查、体 格检查和实验室检测，对所有纳入的调查对象进行生存状况随访，直至出现死亡或截至2025年4月30日。结果：调查对 象平均年龄为(67.86±6.24)岁，根据BMI 将其分为低体重组416人(4 . 1%)、正常组4469人(44 . 1%)、超重组3738 人(36.9%)和肥胖组1513人(14.9%)。中位随访时间为7.06年，共有1519人(15.0%)死亡。多因素Cox比例风险回归 分析结果显示，与正常组相比，低体重组老年人全因死亡( HR=1.34,95%CI 为1.09~1.67)和心血管疾病死亡(HR=1.43,
95% CI 为1.11~1.83)风险均更高。结论：低体重是辽宁省老年人发生全因死亡和心血管疾病死亡的危险因素，应合理指导 老年人开展体重管理工作。
Abstract:Abstract: OBJECTIVE To determine the distribution of body mass index(BMI)and the prevalence of chronic diseases among the elderly population in Liaoning Province,and to analyze the impact of BMI levels on mortality in this population.METHODS From 2017 to 2019,a stratified cluster random sampling method was used to select 10,136 elderly individuals aged≥60 years in Liaoning Province. Questionnaire surveys,physical examinations,and laboratory tests were conducted,and all enrolled participants were followed up for survival status.RESULTS The mean age of the participants was(67.86±6.24)years.According to BMI classification,there were 416 individuals(4.1%)in the underweight group,4,469(44.1%)in the normal weight group,3,738(36.9%)in the overweight group,and1,513(14.9%)in the obese group.The median follow-up time was 7.06 years,during which1,519 participants(15.0%) died.Multivariate Cox proportional hazards regression analysis showed that,compared with the normal weight group,the underweight elderly group had higher risks of all-cause mortality(HR=1.34,95%CI:1.09-1.67)and cardiovascular disease mortality(HR=1.43, 95%CI:1.11-1.83).CONCLUSION Underweight is a risk factor for all-cause mortality and cardiovascular disease mortality among the elderly in Liaoning Province.Weight management guidance should be reasonably provided to the elderly population.
文章编号：3202410005 中图分类号：R195 文献标志码：
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