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

Table 8. Reproducibility of HR-VO2 regression equations and correlation coefficients based on three submaximal and a maximal work rate (model 2)(means ± SD, n = 19).

HR-VO2 regression equations
Day 1 Day 2
y-intercept slope r y-intercept slope r
Mean -1.44 0.0263 0.993 -1.55 0.0273 0.996
SD 0.68 0.0089 0.013 0.83 0.0098 0.009
P-value abs. diff. day 1 and 2 .375 .277 .472