Additional file 1 of Effect of soluble fiber on blood pressure in adults: a systematic review and dose–response meta-analysis of randomized controlled trials

Additional file 1: Table S1. Search strategies including the key terms and the queries for each database. Table S2. Reason for exclusion of retrieved articles. Table S3. Characteristics of eligible studies examining the effect of soluble fiber supplementation on blood pressure parameters. Table S4. Sensitivity analyses of the use of correlation coefficients of 0.25 and 0.75. Table S5. Result of subgroup analysis of included studies in meta-analysis. Table S6. Risk of bias assessment in randomised controlled trials. Table S7. The GRADE evidence quality for each outcome