Analysis of prevalence and influencing factors of hyperkalemia among people in elderly care institutions in southeastern Shanxi
Objective To examine the prevalence and factors associated with hyperkalemia among the elderly residing in care facilities in the southeastern area of Shanxi province.Methods A questionnaire survey was carried out on individuals from 16 care institutions in the southeastern province of Shanxi between September and November,2017.A random cluster sampling method was employed to select subjects.In addition,peripheral blood samples were collected for laboratory examination.The analysis of hyperkalemia was conducted using logistic regression to determine the contributing factors.Results A total of 523 individuals were included in this study[average age:(66.20±8.61)years old],and the average serum potassium concentration was(4.50±0.45)mmol/L.The prevalence of hyperkalemia(＞5.0 mmol/L)was 13.95％(95％CI:11.02％-16.93％).Logistic regression analysis showed that the risk of hyperkalemia increased with a decreasing estimated glomerular filtration rate(eGFR)(x2=8.189,P=0.017).Compared with eGFR＞90 ml/(min·1.73m2),the risk of hyperkalemia was 4.11 times with eGFR 60-90 mL/(min·1.73m2)(OR=4.11,95％CI:1.06-16.01,P=0.042)and 6.04 times with eGFR＜60 mL/(min·1.73m2)(OR=6.04,95％CI:1.64-22.17,P=0.007).Conclusions The prevalence of hyperkalemia is higher in the institutionalized elderly population,and the lower level of eGFR is a risk factor for hyperkalemia.
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