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.
Differences in adjusted Δhemoglobin (representing change in Hb from admission to discharge, adjusted for OBL, PBL, and RBC transfusion volume, as described in the Methods section) between patients who received non-selective beta blockade or clonidine on ≥25% of hospital days (BB/clonidine group) and controls became greater with increasing patient age (*p < 0.033).
