potassium excretion > 100mmol/day) Note: only groups 1 and 3 used in analysis to confounding effect of calories and potassium Key features for bias assessment of randomised trials Citation Method of Allocation Blinding Loss to Use of Ceasing Reporting Funding source randomisation concealment follow-up early for benefit all where outcome required results Hypertension Unclear risk Unclear risk Participants: 10% loss to No (unclear No (low risk) Yes (low National Heart, Prevention (method of (method of unclear risk follow-up (for risk) risk) Lung and Blood randomisation not allocation groups 1 and Institute (low Providers: Research described) concealment not 3) (low risk) risk) high risk Group (1990) described) Outcome assessors: low risk Summary
potassium excretion > 100mmol/day) Note: only groups 1 and 3 used in analysis to confounding effect of calories and potassium Key features for bias assessment of randomised trials Citation Method of randomisation Allocation concealment Blinding Loss to follow-up Use of where required Ceasing early for benefit Reporting all outcome results Funding source Hypertension Prevention Research Group (1990) Unclear risk (method of randomisation not described) Unclear risk (method of allocation concealment not described) Participants: unclear risk Providers: high risk Outcome assessors: low risk 10% loss to follow-up (for groups 1 and 3) (low risk) No (unclear risk) No (low risk) Yes (low risk) National Heart, Lung and Blood Institute (low risk) Summary
Sodium%20Supporting%20Document%201%20%20Systematic%20Literature%20Review.docx