Table 7.

Reproducibility of HR–VO₂ regression equations based on three submaximal and a maximal work rate (model 2) (means ± SD)

Participant	Regression equations
	Day 1			Day 2
	y intercept	Slope	r	y intercept	Slope	r
Males
1	− 0.93	0.0216	0.998	− 1.10	0.0245	0.999
2	− 0.84	0.0243	0.993	− 1.17	0.0262	0.981
3	− 0.83	0.0165	0.885	− 0.85	0.0179	0.984
4	− 0.61	0.0195	0.970	− 0.42	0.0171	0.967
5	− 1.14	0.0223	0.989	− 1.41	0.0246	0.997
6	− 0.59	0.0197	0.998	− 0.69	0.0230	1.000
7	− 2.78	0.0342	0.996	− 2.80	0.0340	0.994
Mean	− 1.10	0.0226	0.976	− 1.21	0.0239	0.989
SD	0.76	0.0057	0.041	0.78	0.0056	0.012
Females
1	− 1.08	0.0213	0.998	− 1.03	0.0214	0.991
2	− 1.14	0.0185	0.997	− 1.01	0.0181	1.000
3	− 1.02	0.0172	0.999	− 0.80	0.0159	0.997
4	− 0.98	0.0197	0.999	− 0.95	0.0201	0.997
5	− 1.03	0.0183	0.992	− 0.85	0.0160	0.997
6	− 1.41	0.0220	0.998	− 1.43	0.0217	0.996
7	− 0.42	0.0146	0.994	− 0.49	0.0153	0.997
Mean	− 1.01	0.0188	0.997	− 0.94	0.0184	0.997
SD	0.30	0.0025	0.003	0.29	0.0027	0.003
All
Mean	− 1.06	0.0207	0.986	− 1.07	0.0211	0.993
SD	0.56	0.0047	0.030	0.58	0.0051	0.009
p value diff between days 1 and 2				.751	.376	.386