Table 2.

Test–retest of VO₂ and HR at rest, submaximal and maximal cycle ergometer tests in the laboratory (mean ± SD) and coefficient of variation (CV)

	Males (n = 7)								Females (n = 7)
	Test	Retest	Absolute difference, L min−1	Relative difference, %	p values abs	p values %	CV		Test	Retest	Absolute difference, L·min−1	Relative difference, %	p values abs	p values %	CV
VO2, L min−1
100 W	1.53 ± 0.15	1.53 ± 0.08	0.00 ± 0.12	0.6 ± 7.7	1.000	0.851	5.4	50 W	0.83 ± 0.03	0.83 ± 0.06	0.00 ± 0.06	0.6 ± 7.8	0.864	0.844	5.4
150 W	2.10 ± 0.26	2.11 ± 0.30	0.01 ± 0.13	0.4 ± 6.9	0.843	0.885	4.3	100 W	1.44 ± 0.07	1.42 ± 0.05	− 0.03 ± 0.10	− 1.7 ± 6.8	0.485	0.528	5.0
168 ± 19 W	2.45 ± 0.26	2.43 ± 0.27	− 0.03 ± 0.14	− 1.1 ± 6.0	0.627	0.660	4.1	132 ± 12 W	1.85 ± 0.16	1.84 ± 0.19	− 0.1 ± 0.08	− 0.5 ± 4.4	0.784	0.760	3.0
Maximal	2.96 ± 0.48	3.10 ± 0.49	0.14 ± 0.16	4.7 ± 5.8	0.064	0.072	3.7	Maximal	2.33 ± 0.26	2.31 ± 0.23	− 0.02 ± 0.14	− 0.4 ± 6.5	0.784	0.884	4.4
HR beats, min−1
Rest	71 ± 7	73 ± 6	2.14 ± 5.4	3.4 ± 7.3	0.332	0.262	5.3	Rest	64 ± 9	62 ± 9	− 2.43 ± 6.0	− 3.5 ± 9.6	0.323	0.365	6.7
100 W	117 ± 15	115 ± 13	− 2.14 ± 8.49	− 1.5 ± 6.5	0.529	0.574	5.2	50 W	98 ± 9	97 ± 7	− 1.14 ± 4.60	− 1.0 ± 4.6	0.535	0.600	3.3
150 W	141 ± 15	137 ± 12	− 4.14 ± 13.9	− 2.4 ± 9.0	0.460	0.504	7.1	100 W	130 ± 11	129 ± 11	− 0.14 ± 4.95	0.0 ± 3.8	0.942	0.988	2.7
168 ± 19 W	157 ± 11	152 ± 11	− 4.86 ± 11.1	− 2.9 ± 6.6	0.291	0.292	5.1	132 ± 12 W	154 ± 7	152 ± 8	− 2.00 ± 3.27	− 1.3 ± 2.2	0.156	0.163	1.5
Maximal	180 ± 10	181 ± 12	0.71 ± 5.47	0.4 ± 3.2	0.741	0.771	2.1	Maximal	176 ± 9	177 ± 8	1.00 ± 4.16	0.6 ± 2.5	0.549	0.535	1.7

The p values are based on the paired differences in absolute values and percent differences