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.
Tests for effect of Covariables on pain measure differences : testing effect of single covariable on difference between yohimbine and phentalamine in response to treatment (pre-post change)
*p value from Wilcoxon rank-sum test of gender groups. †p value from Spearman correlation test. Phen: phentolamine, Post: posttreatment, Pre: pretreatment, VAS: visual analogue scale, Yoh: yohimbine
