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.
Modeled pain outcome over baseline expectancy score. Percent Brief Pain Inventory (BPI) reduction at Week 8 in the sham acupuncture (SA) group equals −67.6 + 7.88 × Acupuncture Expectancy Scale (AES) score at baseline. Percent BPI reduction at Week 8 in the electroacupunture (EA) group equals −67.6 + 7.88 × AES at baseline + 114.3 − 8.31 × AES at baseline.
