Fig. 2.
Cumulative sum of case report forms (CRF)
Case report forms (CRF) for patients, admissions, surgeries, discharges and follow-ups. Complications registered at discharge (black line).
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.