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.
Study flow diagram. Data represent procedures included in the analysis (some patients underwent more than 1 procedure in the study period). CIHI = Canadian Institute for Health Information, DAD = Discharge Abstract Database, LHIN = Local Health Integration Network, OHIP = Ontario Health Insurance Plan, SDS = Same-Day Surgery database.
