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目的:探讨老年住院患者失能现状及其相关因素。方法:对全国7个城市共13家三甲医院内科60岁及以上老年住院患者进行老年人健康综合评估调查，对该人群失能患病率及相关因素进行分析。结果:住院老年人失能率为18.8%(817/4 348)，南方的老年住院患者失能率(25.7%，475/1 851)高于北方(13.7%，342/2 497)(n χ2＝99.735、n P<0.001)，老年住院患者中城市老年人(19.7%，667/3 391)的失能率高于农村老年人(15.7%，150/957)(n χ2＝7.809、n P＝0.005)。在对混杂因素进行调整后，多因素Logistic回归分析结果显示，年龄(≥75岁)、地域(居住在南方)、无配偶、受教育水平低、收入水平低、体质指数(BMI)<18.5 kg/mn 2、每日活动时间少(<1 h)以及患有共病住院患者失能独立危险因素(均n P<0.05)。n 结论:失能在我国住院老年人中很常见，关注老年人慢性疾病、改善老年人营养情况等均可减少失能的发生。“,”Objective:To investigate the current status of disability and its associated risk factors in elderly inpatients.Methods:Clinical data of elderly inpatients aged 60 years and above at internal medicine department of 13 Grade-A Tertiary hospitals from 7 cities across China were retrospectively analyzed.A comprehensive health assessment survey for the elderly was conducted.The prevalence of disability and related risk factors were analyzed.Results:The disability rate was 18.8%(817/4 348)in this study.The disability rate was higher in south China than in north China(25.7% or 475/1 851 n vs.13.7% or 342/2 497, n χ2=99.735, n P<0.001), and the disability rate was higher in urban areas than in rural areas(19.7% or 667/3 391n vs.15.7% or 150/957, n χ2=7.809, n P=0.005). After adjustment for potential confounders, the independent risk factors for disability in elderly inpatients included age(≥75 years), region(living in south China), widowhood, low education level, BMI(<18.5 kg/mn 2), low income level(≤2 000 yuan/month), multimorbidity status and daily activity time(<1 hour)(alln P<0.05).n Conclusions:Disability is common in elderly inpatients in China, and its occurrence can be reduced by controlling chronic diseases, and improving nutrition and other ways.