Novel device for monitoring respiratory rate during endoscopy-A thermodynamic sensor

Table 3 Comparison of measured respiratory rate between capnography and LRMD

Subject	Capnostream, mean ± SD	Linshom, mean ± SD	Capnostream–Linshom (95%CI)	Pearson’s Correlation1 (95%CI)
1	14.9 ± 1.9	15.3 ± 2.1	-0.46 (-0.50, -0.42)	0.41 (0.40, 0.43)
4	15.6 ± 2.6	15.8 ± 3.3	-0.21 (-0.25, -0.17)	0.62 (0.61, 0.63)
5	25.1 ± 4.2	26.6 ± 2.9	-1.4 (-1.5, -1.3)	0.61 (0.60, 0.62)
6	7.9 ± 5.8	8.4 ± 5.2	-0.52 (-0.56, -0.48)	0.72 (0.72, 0.73)
7	23.1 ± 2.7	23.3 ± 4.4	-0.21 (-0.28, -0.14)	0.27 (0.25, 0.28)
9	13.2 ± 3.3	12.9 ± 3.4	0.37 (0.35, 0.39)	0.84 (0.84, 0.84)
10	15.7 ± 3.0	15.0 ± 3.6	0.76 (0.74, 0.78)	0.76 (0.75, 0.76)
11	15.8 ± 1.5	15.5 ± 1.7	0.26 (0.24, 0.27)	0.65 (0.64, 0.65)

¹We did not use a concordance correlation coefficient because of the known differences on how the devices measure respiratory rate. CI: Confidence interval.