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Association of BMI, Fitness, and Mortality in Patients With Diabetes: Evaluating the Obesity Paradox in the Henry Ford Exercise Testing Project (FIT Project) Cohort.
Diabetes Care ( IF 14.8 ) Pub Date : 2020-01-16 , DOI: 10.2337/dc19-1673
Seamus P Whelton 1 , Paul A McAuley 2 , Zeina Dardari 3 , Olusola A Orimoloye 3 , Clinton A Brawner 4 , Jonathan K Ehrman 4 , Steven J Keteyian 4 , Mouaz Al-Mallah 5 , Michael J Blaha 3
Affiliation  

OBJECTIVE To determine the effect of fitness on the association between BMI and mortality among patients with diabetes. RESEARCH DESIGN AND METHODS We identified 8,528 patients with diabetes (self-report, medication use, or electronic medical record diagnosis) from the Henry Ford Exercise Testing Project (FIT Project). Patients with a BMI <18.5 kg/m2 or cancer were excluded. Fitness was measured as the METs achieved during a physician-referred treadmill stress test and categorized as low (<6), moderate (6-9.9), or high (≥10). Adjusted hazard ratios for mortality were calculated using standard BMI (kilograms per meter squared) cutoffs of normal (18.5-24.9), overweight (25-29.9), and obese (≥30). Adjusted splines centered at 22.5 kg/m2 were used to examine BMI as a continuous variable. RESULTS Patients had a mean age of 58 ± 11 years (49% women) with 1,319 deaths over a mean follow-up of 10.0 ± 4.1 years. Overall, obese patients had a 30% lower mortality hazard (P < 0.001) compared with normal-weight patients. In adjusted spline modeling, higher BMI as a continuous variable was predominantly associated with a lower mortality risk in the lowest fitness group and among patients with moderate fitness and BMI ≥30 kg/m2. Compared with the lowest fitness group, patients with higher fitness had an ∼50% (6-9.9 METs) and 70% (≥10 METs) lower mortality hazard regardless of BMI (P < 0.001). CONCLUSIONS Among patients with diabetes, the obesity paradox was less pronounced for patients with the highest fitness level, and these patients also had the lowest risk of mortality.

中文翻译:

糖尿病患者的BMI,适应度和死亡率的关联:在Henry Ford运动测试项目(FIT项目)队列中评估肥胖悖论。

目的确定健康状况对糖尿病患者BMI与死亡率之间关系的影响。研究设计和方法我们从亨利·福特运动测试项目(FIT项目)中确定了8,528例糖尿病患者(自我报告,用药或电子病历诊断)。BMI <18.5 kg / m2或癌症的患者被排除在外。健身度是按照医师推荐的跑步机压力测试期间达到的MET进行衡量的,分为低(<6),中(6-9.9)或高(≥10)。使用标准BMI(正常(18.5-24.9),超重(25-29.9)和肥胖(≥30))的临界BMI(每平方米的公斤数)来计算调整后的死亡率危险比。以22.5 kg / m2为中心的调整花键用于检查BMI作为连续变量。结果患者平均年龄为58±11岁(49%为女性),平均随访10.0±4.1年,有1319例死亡。总体而言,与正常体重的患者相比,肥胖患者的死亡风险降低了30%(P <0.001)。在调整后的样条模型中,较高的BMI作为连续变量主要与最低健身组以及BMI≥30 kg / m2的中度健身患者的较低的死亡风险相关。与最低健康度组相比,健康度较高的患者无论BMI为何,死亡风险均降低〜50%(6-9.9 METs)和70%(≥10METs)(P <0.001)。结论在糖尿病患者中,肥胖悖论在健身水平最高的患者中不太明显,这些患者的死亡风险也最低。1年 总体而言,与正常体重的患者相比,肥胖患者的死亡风险降低了30%(P <0.001)。在调整后的样条模型中,较高的BMI作为连续变量主要与最低健身组以及BMI≥30 kg / m2的中度健身组的较低的死亡率风险相关。与最低健康度组相比,健康度较高的患者无论BMI为何,死亡风险均降低〜50%(6-9.9 METs)和70%(≥10METs)(P <0.001)。结论在糖尿病患者中,肥胖悖论在健身水平最高的患者中不太明显,这些患者的死亡风险也最低。1年 总体而言,与正常体重的患者相比,肥胖患者的死亡风险降低了30%(P <0.001)。在调整后的样条模型中,较高的BMI作为连续变量主要与最低健身组以及BMI≥30 kg / m2的中度健身组的较低的死亡率风险相关。与最低健康度组相比,健康度较高的患者无论BMI为何,死亡风险均降低〜50%(6-9.9 METs)和70%(≥10METs)(P <0.001)。结论在糖尿病患者中,肥胖悖论在健身水平最高的患者中不太明显,并且这些患者的死亡风险也最低。在最低健身组以及中度健身且BMI≥30 kg / m2的患者中,较高的BMI作为连续变量主要与较低的死亡风险相关。与最低健康度组相比,健康度较高的患者无论BMI为何,死亡风险均降低〜50%(6-9.9 METs)和70%(≥10METs)(P <0.001)。结论在糖尿病患者中,肥胖悖论在健身水平最高的患者中不太明显,这些患者的死亡风险也最低。在最低健身组以及中度健身且BMI≥30 kg / m2的患者中,较高的BMI作为连续变量主要与较低的死亡风险相关。与最低健康度组相比,健康度较高的患者无论BMI为何,死亡风险均降低〜50%(6-9.9 METs)和70%(≥10METs)(P <0.001)。结论在糖尿病患者中,肥胖悖论在健身水平最高的患者中不太明显,这些患者的死亡风险也最低。
更新日期:2020-02-21
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