Table 1.

Quantitative comparison of signals between thoracic belt method and EDR

Subject	Respiration rate/min (bpm)			Correlation coefficient
	Thoracic belt method	EDR signal
		Type I	Type III	Type I	Type III
A	21.2	21.2	21.2	0.93	0.43
B	16.1	16.3	18.4	0.85	0.44
C	16.3	16.3	17.0	0.82	0.27
D	18.2	18.2	22.6	0.92	0.31
E	17.3	17.9	17.3	0.39	0.87
F	12.1	8.4	12.1	0.61	0.83
G	9.9	9.9	8.2	0.91	0.30
H	16.4	16.4	16.4	0.87	0.90
I	15.2	15.2	13.5	0.81	0.57
J	14.6	14.6	9.7	0.80	0.16
K	25.6	23.2	25.6	0.31	0.33
L	12.3	12.3	12.3	0.87	0.80
M	6.2	8.1	6.2	0.30	0.95
N	18.3	11.1	18.3	0.39	0.82
O	17.3	17.3	16.6	0.87	0.83