Figure A1. Diagram of SCDa Patient Selection Flow.
aSCD, sickle cell disease. bIdentification period was between January 1, 2015 to June 30, 2017. cFirst diagnosis served as index date. dBaseline period: 1 year prior to the index date.
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.