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Figure 2 Bland-Altman plots of SmO2 BP and VT for both cycling and running tests. The solid line identifies the mean bias (MB) and dashed lines the upper and lower limits of agreement at ±1.96 SD. The gray shaded area represents the 95% CI for MB. For a few of the tests a clear VT2 could not be identified, as seen in the VT2 Bland-Altman plots; see text for details.
