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.
The effects of standardized mindfulness-based interventions on frequency domain heart rate variability (HRV) parameters: low frequency (LF) (panel A), high frequency (HF) (panel B), and LF/HF ratio (panel C). Squares indicate standardized difference in means (Hedges’ g) and lines represent 95% confidence intervals (CI); the size of the box represents the weight of each study.
