. 2019 Jul 24;14(7):e0219741. doi: 10.1371/journal.pone.0219741

Table 11. Differences between model 1 and model 2 in the estimated VO₂ based on three levels of HR as well as in absolute and relative differences (means ± SD, and 95% confidence intervals (CI), n = 19).

	Differences between model 1 and 2 in estimations of VO₂ based on the HR-VO₂ regression equations at day 1 and 2
	Lowest fifth of HR				Middle fifth of HR				Highest fifth of HR
	VO₂:1	VO₂:2	Abs diff	% diff	VO₂:1	VO₂:2	Abs diff	% diff	VO₂:1	VO₂:2	Abs diff	% diff
Mean	0.00	-0.01	0.00	0.10	0,02	-0,01	-0,02	-0,92	0.03	-0.01	-0.04	-1.46
SD	0.07	0.04	0.04	3.39	0,12	0,10	0,07	2,82	0.15	0.13	0.10	3.30
P-value	.790	.532	.866	.900	.553	.759	.160	.171	.449	.723	.125	.071
CI lower	-0.04	-0.03	-0.02	-1.54	-0.04	-0.05	-0.06	-2.28	-0.05	-0.07	-0.09	-3.05
CI upper	0.03	0.01	0.02	1.74	0.07	0.04	0.01	0.44	0.10	0.05	0.01	0.14

Table 11. Differences between model 1 and model 2 in the estimated VO2 based on three levels of HR as well as in absolute and relative differences (means ± SD, and 95% confidence intervals (CI), n = 19).