Finger volume pulse waveforms facilitate reliable assessment of heart rate variability, but not blood pressure variability or baroreflex function

Table 3 Intraclass correlation coefficients for primary outcomes

Measures	Intraclass correlation coefficients between EndoPAT and finometer
		95% Confidence interval
	ICC	Lower bound	Upper bound
SDNN	0.99	0.98	0.99
RMSSD	0.96	0.94	0.98
Absolute VLF of HRV	0.94	0.90	0.96
Relative VLF of HRV	0.94	0.90	0.96
Absolute LF of HRV	0.94	0.90	0.96
Relative LF of HRV	0.92	0.87	0.95
Absolute HF of HRV	0.97	0.95	0.98
Relative HF of HRV	0.77	0.65	0.86
Absolute VLF of BPV	0.34	0.11	0.54
Relative VLF of BPV	0.37	0.14	0.56
Absolute LV of BPV	0.43	0.20	0.61
Relative LF of BPV	0.64	0.47	0.77
Absolute HF of BPV	0.57	0.38	0.71
Relative HF of BPV	0.51	0.31	0.67
Baroreflex gain	0.27	0.02	0.49

ISSN: 1471-2261