Figure 2.
Three scales to evaluate the symptom “pain”: Verbal Rating Scale (VRS), Numerical Rating Scale (NRS), Visual Analogue Scale (VAS).
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.