Fig. 2

Bland and Altman plot including all participants. The X-axis shows the means of the T-scores of the two measurement time points and the Y-axis the differences in means of the T-scores between the two measurements. The horizontal red dashed line represent the mean difference, the dark blue dashed lines the 95% CI of the mean difference, the blue dashed lines the lower and upper limits of agreement, and the black dotted line the regression line between the mean of the T-scores and difference in the means of the T-scores. Triangles represent participants with mild cognitive impairment or mild dementia and circles participants with normal cognition