Figure 2.
Time course of results for pain severity.
Notes: (A) Back pain. (B) Leg pain.
Abbreviations: VAS, visual analog scale; Postop, postoperative.
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.