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.
Failure to rescue rates for elderly patients treated at low, middle, and high mortality hospitals. Patients are stratified by the type of first documented complication. P-values represent the comparison between low and high mortality hospitals.
