膳食钠与动脉血压：单一人群内的研究问题
Dietary sodium and arterial pressure: problems of studies within a single population.
作者信息
Watt G C, Foy C J
出版信息
J Epidemiol Community Health. 1982 Sep;36(3):197-201. doi: 10.1136/jech.36.3.197.
Abstract
The nature of the relationship between dietary sodium and arterial pressure remains uncertain, largely because of the difficulty of investigating this relationship within a single population. There are two main hypotheses: one requires that hypertensive and normotensive patients differ in their sodium intake, the other that they differ in their susceptibility to dietary sodium. Neither hypothesis has been fully explored. In this paper the types of study required to test each hypothesis are considered and published work is used to illustrate the problems of interpreting studies in this field.
摘要
饮食中钠与动脉血压之间关系的本质仍不明确，主要是因为在单一人群中研究这种关系存在困难。有两种主要假说：一种认为高血压患者和血压正常者在钠摄入量上存在差异，另一种认为他们对饮食中钠的易感性存在差异。这两种假说均未得到充分探究。本文探讨了检验每种假说所需的研究类型，并利用已发表的研究来说明该领域研究解读中存在的问题。
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