Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2015 Nov 6;5:16142. doi: 10.1038/srep16142

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2015, Macmillan Publishers Limited

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

PMC Copyright notice

Forest plot of the random-effects meta-analysis of changes in HOMA-IR according to (A). Overall effect (B). The dose of vitamin D supplementation (C). Time of vitamin D supplementation and (D). Baseline of 25(OH)D concentration shown as polled standard differences in means with 95% CI by standard differences in means of glucose concentrations in selected randomised trials. *For each study, the square represents the point estimate of the intervention effect. Horizontal lines join the lower and upper limits of the 95% CI of this effect. The area of shaded squares reflects the relative weight of the study in the meta-analysis. Diamonds represent the subgroup mean difference and pooled mean differences. CI indicates confidence interval. Low dose: 125–2000 IU/day; high dose: 3571–4000 IU/d, deficiency : <50 nmol/l, insufficiency:52.5–72.5 nmol/l, short: until 15-weeks, long: >15weeks.