Table 4.

Limits of agreement of the Bland-Altman plots, Pearson correlation coefficient, and P value for heart rate detection.

Patients	Heart rate
	Limits of agreement		SD of difference	r	P value
	Lower	Upper
1	−3.68	7.89	2.95	0.62	<.001
2	−5.52	9.94	3.94	0.74	<.001
3	−9.46	7.41	4.30	0.68	<.001
4	−7.38	8.06	3.94	0.77	<.001
5	−5.80	8.59	3.67	0.31	<.001
6	−6.85	7.92	3.77	0.63	<.001
7	−8.68	6.44	3.86	0.70	<.001
8	−3.77	11.10	3.80	0.63	<.001
9	−7.13	8.28	3.93	0.64	<.001
10	−5.22	9.53	3.76	0.45	<.001