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.
ANOVA statistics for each variability parameter across groups, as calculated on the 2 min HR sub-series. *** p ≤ 0.001, ** p ≤ 0.01 and * p ≤ 0.05. The panels refer to (a) SDNN; (b) RMSSD; (c) SDNN/RMSSD; (d) Delta; (e) STV; (f) LTI; (g) ApEn; (h) SampEn.
