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.
Experimental process.
Notes: The upper panel shows experimental process. The lower panel shows the repeat window method, which had a base unit of 5 min and a delay time of 1 min. Numeric Rating Scale (NRS) is an 11–point scale (0–10) for patient self-reporting of pain.
