How are we to determine whether dietary interventions do more good than harm to hypertensive patients?
- 1 June 1986
- journal article
- clinical trial
- Published by Canadian Science Publishing in Canadian Journal of Physiology and Pharmacology
- Vol. 64 (6) , 781-783
- https://doi.org/10.1139/y86-133
Abstract
This paper categorizes studies of dietary interventions in hypertensive patients into five categories based on the levels of evidence: level I, randomized trials with low false-positive (alpha) and low false-negative (beta) errors (high power); level II, randomized trials with high false-positive (alpha) and (or) high false-negative (beta) errors (low power); level III, nonrandomized concurrent cohort comparisons between contemporaneous patients who did and did not receive a nutritional intervention; level IV, nonrandomized historical cohort comparisons between current patients who did receive a nutritional intervention and former patients (from the same institution or from the literature) who did not; level V, case series without controls.Keywords
This publication has 0 references indexed in Scilit: