|
Decision matrix for inconsistency |
Heterogeneity I²> 40% (40% to 74%) |
Unexplained high heterogeneity with I²> 75%and very low P value |
| Same direction of effect estimates in the studies | May not downgrade 1 level if most of the studies have similar point estimates and overlapping CI AND all point estimates are pointing in the same direction. | Downgrade 1 level |
| Different direction of effect estimates in the studies | Downgrade 1 level | Downgrade 2 levels |
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.