Date of download: 5/29/2016 Copyright © 2016 American Medical Association. All rights reserved. From: Vegetarian Diets and Blood Pressure: A Meta-analysis JAMA Intern Med. 2014;174(4): doi: /jamainternmed Study Flow DiagramSelection of clinical trials and observational studies for meta-analysis of association between vegetarian diets and blood pressure. Figure Legend:

Date of download: 5/29/2016 Copyright © 2016 American Medical Association. All rights reserved. From: Vegetarian Diets and Blood Pressure: A Meta-analysis JAMA Intern Med. 2014;174(4): doi: /jamainternmed Pooled Systolic and Diastolic Blood Pressure (BP) Responses to Vegetarian Diets in Clinical TrialsEffects on systolic BP (A) and on diastolic BP (B) are depicted as squares; error bars indicate 95% CIs. Meta-analysis yielded pooled estimates of −4.8 mm Hg (95% CI, −6.6 to −3.1) for systolic BP and −2.2 mm Hg (−3.5 to −1.0) for diastolic BP, which are depicted as blue diamonds. Vegan diets were defined as omitting all animal products; vegetarian diets may include some animal products as indicated by the terms lacto (dairy products) and ovo (eggs). Figure Legend:

Date of download: 5/29/2016 Copyright © 2016 American Medical Association. All rights reserved. From: Vegetarian Diets and Blood Pressure: A Meta-analysis JAMA Intern Med. 2014;174(4): doi: /jamainternmed Pooled Systolic Blood Pressure (BP) Among Vegetarians in Observational StudiesEffects on systolic BP are depicted as squares; error bars indicate 95% CIs. Meta-analysis yielded a pooled estimate of −6.9 mm Hg (95% CI, −9.1 to −4.7) for systolic BP, which is depicted as a blue diamond. Arrows indicate that the 95% CI exceeds the left line. Vegan diets were defined as omitting all animal products; vegetarian diets may include some animal products as indicated by the terms lacto (dairy products) and ovo (eggs). Figure Legend:

Date of download: 5/29/2016 Copyright © 2016 American Medical Association. All rights reserved. From: Vegetarian Diets and Blood Pressure: A Meta-analysis JAMA Intern Med. 2014;174(4): doi: /jamainternmed Pooled Diastolic Blood Pressure (BP) Among Vegetarians in Observational StudiesEffects on diastolic BP are depicted as squares; error bars indicate 95% CIs. Meta-analysis yielded a pooled estimate of −4.7 mm Hg (95% CI, −6.3 to −3.1) for diastolic BP, which is depicted as a blue diamond. Arrows indicate that the 95% CI exceeds the left line. Vegan diets were defined as omitting all animal products; vegetarian diets may include some animal products as indicated by the terms lacto (dairy products) and ovo (eggs). Figure Legend:

Date of download: 5/29/2016 Copyright © 2016 American Medical Association. All rights reserved. From: Vegetarian Diets and Blood Pressure: A Meta-analysis JAMA Intern Med. 2014;174(4): doi: /jamainternmed Funnel Plot of Comparison of Weight and Differences in Mean Systolic Blood Pressure (BP) Associated With Consumption of Vegetarian DietsFunnel plot of study weights against change in systolic blood pressure (BP) in clinical trials (A) and observational studies (B). Blood pressure results in individual studies are depicted as circles scattered around the pooled BP estimate. A trim-and- fill method indicated that 3 clinical trials and no observational studies might have been missing owing to publication bias. After adjustment for putative missing data, the overall differences for systolic BP increased to −5.2 mm Hg (95% CI, −6.9 to −3.5) in clinical trials. Figure Legend: