Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Meta-analysis of caffeine induced diuresis. Each square represents an effect size (ES) for a corresponding investigation with proportional square size according to its weighting. Each horizontal line represents the 95% confidence interval (CI) for an ES. The diamond represents the overall ES with its width according to the 95% CI for the overall ES.
