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Table 1 Principal frequency components of the R–R interval. Mean frequencies of the first three spectral components of the R–R interval for frequencies below 0.15 Hz.

From: Fine structure of the low-frequency spectra of heart rate and blood pressure

Subject f1 [Hz] f2 [Hz] f3 [Hz]
A 0.026 0.069 0.102
B 0.028 0.073 0.122
C 0.027 0.076 0.122
D 0.022 0.055 0.086
E 0.024 0.062 0.099
F 0.026 0.072 -
G 0.031 0.081 0.116
H 0.028 0.097 0.135
I 0.025 0.095 0.137
J 0.028 0.079 0.129
K 0.025 0.086 0.125
L 0.020 0.073 0.117