BACKGROUND There is limited evidence regarding the association between muscle strength and metabolic dysfunction-associated fatty liver disease(MAFLD).AIM To investigate the association between muscle strength and MAF...BACKGROUND There is limited evidence regarding the association between muscle strength and metabolic dysfunction-associated fatty liver disease(MAFLD).AIM To investigate the association between muscle strength and MAFLD in the general population in Korea.METHODS This nationwide representative cross-sectional study included 31649 individuals aged≥19 years who participated in the Korea National Health and Nutrition Examination Survey between 2015 and 2018.Odds ratios(ORs)and 95%confidence intervals(95%CIs)for MAFLD according to sex-specific quartiles of muscle strength,defined by relative handgrip strength,were calculated using multivariable logistic regression analysis.Additionally,multivariable logistic regression analysis was used to assess the association between muscle strength and probable liver fibrosis in patients with MAFLD.RESULTS Of all the participants,29.3%had MAFLD.The prevalence of MAFLD was significantly higher in the lower muscle strength quartile groups for all participants,sexes,and age groups(P<0.001).A 1.92-fold(OR=1.92,95%CI:1.70–2.16)and 3.12-fold(OR=3.12,95%CI:2.64–3.69)higher risk of MAFLD was observed in the lowest quartile(Q1)group than in the other groups(Q2–Q4)and the highest quartile(Q4)group,respectively.The ORs of MAFLD were significantly increased in the lower muscle strength quartile groups in a dose-dependent manner(P for trend<0.001).These associations persisted in both sexes.An inverse association between muscle strength and the risk of MAFLD was observed in all subgroups according to age,obesity,and diabetes mellitus.In patients with MAFLD,the odds of severe liver fibrosis were higher in Q1(OR=1.83,95%CI:1.25–2.69)than in other groups(Q2–Q4).CONCLUSION Among Korean adults,low muscle strength was associated with an increased risk of MAFLD and liver fibrosis in patients with MAFLD.展开更多
对9Cr 1Mo V Nb N钢厚壁无缝管研制品与进口住友P91钢管在供货状态下进行了比较研究,测试了两者的静力拉伸强塑性,分析了其间存在的差异.结果表明,研制品的强塑性与进口管相差尚少,但钢中杂质元素的控制与住友钢管有一定差距,质量均... 对9Cr 1Mo V Nb N钢厚壁无缝管研制品与进口住友P91钢管在供货状态下进行了比较研究,测试了两者的静力拉伸强塑性,分析了其间存在的差异.结果表明,研制品的强塑性与进口管相差尚少,但钢中杂质元素的控制与住友钢管有一定差距,质量均匀性有待提高.展开更多
文摘BACKGROUND There is limited evidence regarding the association between muscle strength and metabolic dysfunction-associated fatty liver disease(MAFLD).AIM To investigate the association between muscle strength and MAFLD in the general population in Korea.METHODS This nationwide representative cross-sectional study included 31649 individuals aged≥19 years who participated in the Korea National Health and Nutrition Examination Survey between 2015 and 2018.Odds ratios(ORs)and 95%confidence intervals(95%CIs)for MAFLD according to sex-specific quartiles of muscle strength,defined by relative handgrip strength,were calculated using multivariable logistic regression analysis.Additionally,multivariable logistic regression analysis was used to assess the association between muscle strength and probable liver fibrosis in patients with MAFLD.RESULTS Of all the participants,29.3%had MAFLD.The prevalence of MAFLD was significantly higher in the lower muscle strength quartile groups for all participants,sexes,and age groups(P<0.001).A 1.92-fold(OR=1.92,95%CI:1.70–2.16)and 3.12-fold(OR=3.12,95%CI:2.64–3.69)higher risk of MAFLD was observed in the lowest quartile(Q1)group than in the other groups(Q2–Q4)and the highest quartile(Q4)group,respectively.The ORs of MAFLD were significantly increased in the lower muscle strength quartile groups in a dose-dependent manner(P for trend<0.001).These associations persisted in both sexes.An inverse association between muscle strength and the risk of MAFLD was observed in all subgroups according to age,obesity,and diabetes mellitus.In patients with MAFLD,the odds of severe liver fibrosis were higher in Q1(OR=1.83,95%CI:1.25–2.69)than in other groups(Q2–Q4).CONCLUSION Among Korean adults,low muscle strength was associated with an increased risk of MAFLD and liver fibrosis in patients with MAFLD.