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.
Meta-analyses of US therapy on pain intensity (VAS or NRS).
Notes: (A) SMDs of at rest and activity. (B) SMDs at 0 and 12 weeks. (C) SMDs at rest after excluding two studies.
Abbreviations: CI, confidence interval; IV, inverse variance; NRS, numerical rating scale; SD, standard deviation; SMD, standardized mean difference; US, ultrasound; VAS, visual analog scale.
