Table 3.

Respiration rate results between two radars and the ground truth.

No.	G.T.	Respiration Rate Comparison				Bland–Altman
		Radar 1		Radar 2		Radar 1		Radar 2
	Mean ± SD	Mean ± SD	Diff	Mean ± SD	Diff	M.D.	2SD	M.D.	2SD
1	18 ± 0.2	18 ± 0.3	0	18 ± 0.3	0	0.2	1.54 (0.9 to −0.6)	0.5	2.02 (1.5 to −0.5)
2	18 ± 0.3	18 ± 0.4	0	18 ± 0.3	0	0	2.40 (1.2 to −1.2)	0.1	1.90 (1.1 to −0.8)
3	19 ± 0.2	19 ± 0.2	0	19 ± 0.1	0	0.2	2.08 (1.2 to −0.9)	0.2	2.20 (1.3 to −0.9)
4	20 ± 0.3	19 ± 0.3	1	20 ± 0.4	0	−0.3	2.30 (0.9 to −1.4)	−0.1	1.68 (0.8 to −0.9)
5	18 ± 0.6	18 ± 0.7	0	19 ± 0.3	1	0.3	2.38 (1.5 to −0.8)	0.8	2.20 (1.9 to −0.3)
6	15 ± 0.2	15 ± 0.3	0	15 ± 0.3	0	−0.1	0.96 (0.4 to −0.5)	0.3	1.94 (1.3 to −0.6)
7	18 ± 0.2	18 ± 0.2	0	19 ± 0.3	1	−0.3	1.84 (0.6 to −1.2)	0.3	1.84 (1.2 to −0.6)
8	18 ± 0.2	18 ± 0.1	0	18 ± 0.3	0	−0.5	2.02 (0.5 to −1.5)	−0.1	2.74 (1.3 to −1.5)
9	19 ± 0.3	19 ± 0.4	0	19 ± 0.3	0	0.3	1.84 (1.2 to −0.6)	0.1	1.30 (0.8 to −0.5)
10	18 ± 0.7	18 ± 0.5	0	18 ± 0.6	0	0.1	2.36 (1.3 to −1.1)	0.3	3.38 (2.0 to −1.3)