Table 1

Agreement between PRV and HRV for inter-individual comparisons

N
 PRV Mean (SD) ms
 HRV Mean (SD) ms
 Mean difference ms
 Upper limit of agreement ms
 Lower limit of agreement ms
 ICC
LF
 30
 27.4 (7.5)
 27.6 (7.3)
 0.2
 1.2
 -0.7
 0.997
HF
 30
 31.6 (10.7)
 31.4 (10.5)
 -0.2
 3.9
 -4.4
 0.981

Analyses were performed for mean values of individual subjects.

HF = high frequency component, HRV = heart rate variability, ICC = intraclass correlation coefficient, LF = low frequency component, PRV = pulse rate variability, SD = standard deviation.

Hayano et al. BioMedical Engineering OnLine 2005 4:62   doi:10.1186/1475-925X-4-62
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