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. 2022 Mar 17;13:747903. doi: 10.3389/fphys.2022.747903

FIGURE 4.

FIGURE 4

Oxygen uptake during incremental exercise in women and men prior to and after blood normalization. *P < 0.05 between women and men prior to blood normalization. P < 0.05 between women and men after blood normalization. Data are expressed as mean ± SEM. Number of biological observations in the graph: n = 210. Echocardiographic data were analyzed within ± 5 bmp of specific percentages of HRpeak. HRpeak, peak heart rate; VO2, oxygen uptake (per kg of body weight).