慢性肾脏病患者盐摄入量现状及影响因素回归分析

Regression analysis on present situation and influencing factors of salt intake for patients with chronic kidney disease

目的了解慢性肾脏病患者盐摄入量情况,并分析其影响因素。方法采用单中心横断面调查,使用24h尿钠测定法评估盐摄入量。收集患者人口学特征、疾病情况及盐摄入量情况,进行多元线性逐步回归分析。结果共纳入274例患者,24h尿钠为(132.5±57.4)mmol/d,24h尿钠/肌酐为(117.9±49.9)mmol/g。患者性别、估计肾小球滤过率、体重指数、24h尿蛋白、自觉症状与24h尿钠有线性回归关系,决定系数R2=0.178。患者盐摄入量情况调查显示,患者存在限盐意愿与行为不一致现象,饮食限盐知识、限盐技巧缺乏,口味、饮食习惯及家庭支持等影响限盐行为。结论慢性肾脏病患者盐摄入量高于指南推荐量,受多种因素影响。

Objective To study the situation of salt intake for patients with chronic kidney disease and analyze its influencing factors.Method Investigate by single-center cross-sectional survey and evaluate salt intake by 24 hurinary sodium detect.Collect information on patients＇ demographic characteristics,disease situation and salt intake.Take single factor and multivariate linear stepwise regression equation on the information.Result 24 hurinary sodium is（132.5±57.4）mmol/d and 24 hurinary sodium/creatinine is（117.9±49.9）mmol/g for 274 patients.There is linear regression relationship between patients＇ gender,estimated glomerular filtration rate,body mass index,24 hurinary protein,self-reported symptom and 24 hurinary sodium,R^2=0.178.Patients＇ salt intake situation shows that there is disaccord between their intention and behavior on salt control,which is related to lack of diet salt control knowledge and skills,taste,eating habits and family support.Conclusion Salt intake of patients with chronic kidney disease is more than recommended,which is related to many factors.