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.
Incidence of LSS stratified by risk score quartiles. Quartile 1 represents a risk score of −2 to 5, quartile 2 represents a risk score of 6 to 8, quartile 3 represents a risk score of 9 to 11, and quartile 4 represents a risk score of 12 to 17
