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. 2015 Mar 20;2(1):e2. doi: 10.2196/rehab.3633

Table 4.

Relative and absolute reliability of BioHarness heart rate and respiratory rate measuresa.


Relative Absolute

rho ICC SEM, min-1 LoA, min-1 CV, %
Phase One HR .92b .98b 5.20 (-21.87, 9.26) 2.24
RR .87b .94b 2.78 (-13.73, 9.41) 7.94
Phase Two HR .97b .98b 4.77 (-13.39, 23.79) 4.05
RR .43b .55b 4.60 (-11.58, 18.91) 16.61

aTable reports Spearman’s rank-order correlation coefficient (rho), two-way random effects intraclass correlation coefficient (ICC), standard error of measurement (SEM), non-parametric 95% limits of agreement (LoA), and coefficient of variation (CV) for heart rate (HR) and respiratory rate (RR).

bStatistically significant P<.001.