7.4. Analysis.
Comparison 7: Cardiovascular (no bypass) (subgroup: transfusion threshold), Outcome 4: Mortality
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.