Outcome but did not give assessors: exact results) unclear risk *Australian National Health and Medical Research Council Dietary Salt Management Committee Summary table Citation Study Population Intervention Outcomes Sample Intervention Compliance to Results & design level measured size duration sodium target location of relevant to (urinary data) research question II Adults, with Participants were Blood pressure 103 8 Low sodium Mean difference (seated after 5 mild randomised to one intake: 90 (SEM: between low min rest), (1989), parallel hypertension of two groups: 6) mmol/24hr sodium diet to – plasma Australia design (DBP: 90 - change: -52 (SEM: normal sodium diet: cholesterol 1. low sodium study 100mmHg) 7), p<0.005 [] intake group diet SBP: -5.5mmHg – containing less Normal sodium (SEM: 1.46, CI: than 80mmol intake: 153 (SEM: -2.64) sodium/day plus 6) mmol/24hr – DBP: -2.8mmHg placebo tablets change: +19 (SEM: 0.84, CI: (SEM: 7), p<0.05 2. normal sodium -1.15) intake group diet p-value for – States trial was no containing less change between significant change in than 80mmol groups: p<0.005 cholesterol, but sodium/day plus does not give NaCl tablets specific results
Outcome assessors: unclear risk but did not give exact results) *Australian National Health and Medical Research Council Dietary Salt Management Committee Summary table Citation & location Study design level of Population Intervention Outcomes measured relevant to research question Sample size Intervention duration Compliance to sodium target (urinary data) Results (1989), Australia [] parallel design study II Adults, with mild hypertension (DBP: 90 - 100mmHg) Participants were randomised to one of two groups: 1. low sodium intake group – diet containing less than 80mmol sodium/day plus placebo tablets 2. normal sodium intake group – diet containing less than 80mmol sodium/day plus NaCl tablets Blood pressure (seated after 5 min rest), plasma cholesterol 103 8 Low sodium intake: 90 (SEM: 6) mmol/24hr – change: -52 (SEM: 7), p<0.005 Normal sodium intake: 153 (SEM: 6) mmol/24hr – change: +19 (SEM: 7), p<0.05 p-value for change between groups: p<0.005 Mean difference between low sodium diet to normal sodium diet: SBP: -5.5mmHg (SEM: 1.46, CI: -2.64) DBP: -2.8mmHg (SEM: 0.84, CI: -1.15) States was no significant change in cholesterol, but does not give specific results trial
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