期刊
CLINICA CHIMICA ACTA
卷 337, 期 1-2, 页码 169-172出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cccn.2003.08.001
关键词
age; gender; hypernatremria; hyponatremia; risk factor
Background: This Study assesses gender and age as independent risk factors for hypo- and hypernatremia and describes the prevalence of hypo- and hypernatremia in different population groups. Methods: Details of all serum Na results with accompanying patient demographics for 2 years were downloaded from the laboratory database into Microsoft Access for multiple logistic regression analysis using SPSS. Female gender and age <30 years were the reference groups. Results: Data from 303,577 samples on 120,137 patients were available for analysis. Prevalence at initial presentation to a health care provider of Na <136 <1161 >145, and >165 mmol/l were for acute hospital care patients: 28.2%, 0.49%, 1.43%, and 0.06%; ambulatory hospital care: 21%, 0.17%, 0.53%, and 0.01%; community care: 7.2%, 0.03%, 0.72%, and <0.01%. Age odds ratios rose with increasing age to 1.89 and 8.70 (Na <136 and <116 mmol/l) and 7.09 and 24.39 (Na>145 and >165 mmol/l, respectively) for age >81 years. Male gender was a mild risk factor for Na <136 mmol/l and was otherwise unimportant. Conclusions: Hyponatremia is a common but generally mild condition while hypernatremia is uncommon. Increasing age is a strong independent risk factor for both hypo- and hypernatremia. Gender is not an important risk factor for disturbances of serum Na concentration. (C) 2003 Elsevier B.V. All rights reserved.
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