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.
Interrupted time series analysis of the daily number of hand hygiene events in the test intensive care unit (ICU) compared with the control ICU during baseline, chime, chime/display, display, and washout trial phases. o, the number of hand hygiene events on individual days in the test ICU; +, the number of hand hygiene events on individual days in the control ICU.
