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    政大機構典藏 > 商學院 > 統計學系 > 期刊論文 >  Item 140.119/18146
    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/18146


    Title: Effect of Potassium-Enriched Salt on Cardiovascular Mortality of Elderly Men
    Authors: 張新儀;胡玉蕙;余清祥;Yu-Wen Wen;Wen-Ting Yeh;Li-San Hsu
    Keywords: potassium-enriched salt;elderly;cardiovascular mortality;health expenditure;Taiwan
    Date: 2006-06
    Issue Date: 2008-12-19 14:50:48 (UTC+8)
    Abstract: Background:The beneficial effects of potassium-enriched salt on blood pressure have been reported in a few short-term trials. The long-term effects of potassium-enriched salt on cardiovascular mortality have not been carefully studied.

    Objective:The objective was to examine the effects of potassium-enriched salt on cardiovascular disease (CVD) mortality and medical expenditures in elderly veterans.

    Design:Five kitchens of a veteran retirement home were randomized into 2 groups (experimental or control) and veterans assigned to those kitchens were given either potassium-enriched salt (experimental group) or regular salt (control group) for ≈31 mo. Information on death, health insurance claims, and dates that veterans moved in or out of the home was gathered.

    Results:Altogether, 1981 veterans, 768 in the experimental [x̄ (±SD) age: 74.8 ± 7.1 y] and 1213 in the control (age: 74.9 ± 6.7 y) groups, were included in the analysis. The experimental group had better CVD survivorship than did the control group. The incidence of CVD-related deaths was 13.1 per 1000 persons (27 deaths in 2057 person-years) and 20.5 per 1000 (66 deaths in 3218 person-years) for the experimental and control groups, respectively. A significant reduction in CVD mortality (age-adjusted hazard ratio: 0.59; 95% CI: 0.37, 0.95) was observed in the experimental group. Persons in the experimental group lived 0.3–0.90 y longer and spent significantly less (≈US $426/y) in inpatient care for CVD than did the control group, after control for age and previous hospitalization expenditures.

    Conclusions:This study showed a long-term beneficial effect on CVD mortality and medical expenditure associated with a switch from regular salt to potassium-enriched salt in a group of elderly veterans. The effect was likely due to a major increase in potassium and a moderate reduction in sodium intakes.
    Relation: American Journal of Clinical Nutrition, 83(6), 1289-1296
    Data Type: article
    Appears in Collections:[統計學系] 期刊論文

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