Skip to main content
. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: J Am Coll Health. 2019 Mar 11;68(5):550–556. doi: 10.1080/07448481.2019.1583652

Table 5.

Means and Standard Deviations for components of HRV

Mean Std. Dev.
Heart Rate 79.904 11.339
VLF 22.328 9.836
LF 42.453 10.486
HF 34.777 12.992
LF/HF Ratio 4.604 36.292
SDNN 45.942 29.030

Note. VLF = Very Low Frequency spectrum (0.003–0.04Hz), LF = Low Frequency spectrum (0.04–0.15Hz), HF = High Frequency spectrum (0.15–0.40Hz), LF/HF ratio = the ratio between of Low Frequency to High Frequency Heart Rate Variability, SNDD = standard deviation of normal-normal intervals.