Fig. 1From: The ability of a submaximal cycle ergometer test to detect longitudinal changes in VO2maxChange between the baseline test and the follow-up test in measured VO2max (y-axis) and estimated VO2max from the EB test (x-axis). Solid line: correlation. Dashed line: Line of identity. r = Pearson’s coefficient of correlation, R2 = coefficient of determination, 95% CI 95% confidence intervalBack to article page