肌萎缩
医学
优势比
队列研究
纵向研究
社会经济地位
置信区间
队列
前瞻性队列研究
老年学
人口
人口学
内科学
环境卫生
病理
社会学
作者
Weida Qiu,Anping Cai,Liwen Li,Yingqing Feng
摘要
Abstract Aims To estimate the contemporary trend in the prevalence of sarcopenia and evaluate its risk factors and the longitudinal associations with multiple chronic conditions and mortality among Chinese middle‐aged and older adults. Methods This was a nationwide, prospective cohort study using data from the China Health and Retirement Longitudinal Study. The definition of sarcopenia was based on the Asian Working Group for Sarcopenia 2019 algorithm. In the cross‐sectional analysis, we estimated the trend in the weighted prevalence of sarcopenia from 2011 to 2015 and examined the associated risk factors for sarcopenia severity in 2011. In the longitudinal analysis, we assessed the longitudinal associations between sarcopenia and 14 chronic conditions and mortality during a 9‐year follow‐up. Results The weighted prevalence of sarcopenia remained consistently high in the overall population from 2011 (15.9%, 95% confidence intervals [CI]: 15.1, 16.6) to 2015 (15.0%, 95% CI: 14.3, 15.6; p for trend = 0.075). A range of risk factors were independently associated with the severity of sarcopenia, including older age, female sex, lower socioeconomic status, smoking status, malnutrition, and several chronic conditions. Possible sarcopenic and sarcopenic individuals had higher odds of several chronic conditions (i.e., heart disease, chronic lung disease, and memory‐related disease) and increased risks of mortality (possible sarcopenia: odds ratios (OR): 1.66, 95% CI: 1.37, 2.00; sarcopenia: OR: 1.69, 95% CI: 1.36, 2.11) in 9 years of follow‐up. Conclusions The prevalence of sarcopenia remained consistently high in the investigated population. Various risk factors were significantly associated with a higher prevalence of sarcopenia. Sarcopenic individuals had higher odds of several chronic conditions and increased risks of mortality, highlighting that the urgent need for dedicated efforts to improve the management of sarcopenic patients.
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