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.
Pearson correlation between carotid intima media thickness (IMT) and deep breathing test (DBT) heart rate variability (HRV) parameters: SDNN, standard deviation of all RR intervals, CV, coefficient of variation of RR intervals, RMSSD, root-mean square of differences between adjacent normal RR intervals, SD1, dispersion of points perpendicular to the axis of line-of-identity, SD2, dispersion of points along the line of identity. Values are Pearson r and 95% CI, *p < 0.005, #p < 0.0001.
