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.
Annual incidence of sports- and recreation-related emergency department (ED) visits. The estimated incidence values are shown as solid triangles, and the best fit by the hatched line. This fit was not significant (r2 = 0.27; P = 0.15), indicating no change in incidence over time.
