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Diabetologia:肥胖指数与2型糖尿病死亡率的比较研究

2020-04-12 MedSci原创 MedSci原创

本前瞻性关联研究旨在比较四种肥胖指数与2型糖尿病患者死亡风险之间的关系。

本前瞻性关联研究旨在比较四种肥胖指数与2型糖尿病患者死亡风险之间的关系。

在弗里曼特尔糖尿病研究的1282名参与者中,对BMI、腰围、WHR和体型指数(ABSI)与全因死亡率的关系进行了分析,在基线评估之后进行了长达20年的随访。根据年龄和其他混杂因素对模型进行调整;对男性和女性分别进行了连续测量和五分位数的评估。此外,还进行了敏感性分析,以尽量减少反向因果关系。

当指数作为连续变量进行评估时,与死亡率存在显著的双变量关联: ABSI在男性和女性死亡时均有显著的双变量关联(p <0.001);WHR仅在女性中较高(p = 0.033);BMI仅在女性中较低(p <0.001)。当按五分位数评估时,男性和女性的ABSI与死亡率有显著的双变量关联(p <0.001),仅女性的BMI(p = 0.002)。在死亡时间的Cox模型中,经年龄、糖尿病持续时间、种族和吸烟调整后,ABSI五分位数对男性(p = 0.003)和女性(p = 0.035)均显示出线性趋势。ABSI五分位数中的男性与第一五分位数的男性相比,死亡率风险增加(HR[95% CI]:1.74[1.24,2.44]),而第五个ABSI五分位数中的女性死亡率风险增加,接近统计学意义(1.42[0.97,2.08],p = 0.08)。第五位WHR五分位数中的男性死亡率风险增加(1.47 [1.05,2.06])。死亡率与BMI或腰围之间没有任何关联。

研究结果表明,ABSI是澳大利亚2型糖尿病患者中与全因死亡率联系最紧密的肥胖指数。没有证据表明肥胖悖论与任何一项评估指标有关。在评估2型糖尿病的死亡风险时,ABSI可能是一个比腰围、BMI或WHR更好的中心肥胖指数。

原始出处:

Joel Tate, Matthew Knuiman,A comparison of obesity indices in relation to mortality in type 2 diabetes: the Fremantle Diabetes Study

本文系梅斯医学(MedSci)原创编译整理,转载需授权!

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