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Salt intake and blood pressure: the triangular hypothesis

journal contribution
posted on 2023-06-08, 22:24 authored by D A Booth, A L Thompson, R Shepherd, D G Land, R P Griffiths
If an unselected sample includes individuals whose blood pressure is sensitive to their salt intake and individuals whose blood pressure is not sensitive, then the superposition of these two sub-populations in a scatterplot of individuals' blood pressures against their salt intakes could give a triangular distribution. The non-correlation in the insensitives would obscure the correlation expected in the sensitives. This hypothesis justifies truncation of such data to test for correlation between blood pressure and salt intake among only the individuals in the higher range of blood pressures observed. No criterion of salt sensitivity is needed. The analysis should succeed if salt intake makes a major contribution to hypertension and would be improved if other putative causes were factored out.

History

Publication status

  • Published

Journal

Medical Hypotheses

ISSN

0306-9877

Publisher

Elsevier

Issue

4

Volume

24

Page range

325-328

Department affiliated with

  • Psychology Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2015-09-04

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