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.
Spearman correlations between Δ NRS pain and Δ CV(Ti).
| Covariate Adjustments | ρ | 95% CI | P |
|---|---|---|---|
| Unadjusted | 0.46 | (0.02, 0.75) | 0.04 |
| Adjusted for Device Group (i.e., Active vs. Sham) | 0.52 | (0.09, 0.79) | 0.02 |
NRS, numeric rating scale; CV(Ti), coefficient of variation of inspiration time.
