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. Author manuscript; available in PMC: 2024 May 13.
Published in final edited form as: Eur J Appl Physiol. 2020 Apr 18;120(6):1371–1381. doi: 10.1007/s00421-020-04369-7

Table 4.

Correlation coefficients and p-values between HRV components and Kp index

Kp index
r-value p-value (uncorrected) p-value (corrected)
HR 0.002 < 0.001 ** 0.95
SDNN − 0.001 0.06 0.98
HRVTi 0.0001 0.30 0.98
RMSSD − 0.002 < 0.001 ** 0.95
VLFratio 0.002 < 0.001 ** 0.95
LFratio 0.001 0.04 * 0.98
HFratio − 0.003 < 0.001 ** 0.95
LF/HF 0.002 < 0.001 * 0.96
Total power − 0.001 0.01 * 0.97

Uncorrected and corrected p-values are presented.

*

p < 0.05

**

p < 0.001