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.
Univariate comparison of heart rate and heart rate variability during sleep at baseline and after 12 months of treatment.
| Baseline (mean ± SE) | Posttreatment (mean ± SE) | Mean Difference (mean ± SE) | |
|---|---|---|---|
| Heart rate (beats/min)* | 82.0 ± 2.9 | 77.6 ± 3.5 | −4.5 ± 2.0 |
| SDNN (ms) | 54.1 ± 7.1 | 56.8 ± 8.6 | 6.0 ± 7.6 |
| LF/HF ratio | 1.40 ± 0.34 | 1.68 ± 0.32 | 0.28 ± 0.25 |
| LF (nu) | 41.2 ± 5.0 | 48.0 ± 4.2 | 6.2 ± 3.9 |
| HF (nu) | 55.0 ± 5.0 | 49.9 ± 3.8 | −5.0 ± 4.0 |
*P < .05. nu = normal units.
