Effect of longer term modest salt reduction on blood pressure: Cochrane systematic review and meta-analysis of randomised trials

BMJ: April 4, 2013

Objective To determine the effects of longer term modest salt reduction on blood pressure, hormones, and lipids.

Design Systematic review and meta-analysis.

Data sources Medline, Embase, Cochrane Hypertension Group Specialised Register, Cochrane Central Register of Controlled Trials, and reference list of relevant articles.

Inclusion criteria Randomised trials with a modest reduction in salt intake and duration of at least four weeks.

Data extraction and analysis Data were extracted independently by two reviewers. Random effects meta-analyses, subgroup analyses, and meta-regression were performed. Read more