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. 2020 May 1;33(3):563–572. doi: 10.1007/s40520-020-01562-8

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© The Author(s) 2020

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Fig. 2 — Vector graph showing physical function at all three time points. The relevant cluster is presented (t₁–t₂) in magenta. Dividing lines of predictor 1 and 2 are shown in blue (predictor 1) and red (predictor 2). In accordance to the legend the identified subjects of the three predictors are presented in different colors. As predictor 3 is defined as predictor 2 with the additional condition of negative delta values from t₀ to t₁, no extra dividing lines are able to present. Identified subjects of predictor 2 (n = 22) involve those of predictor 1 (n = 12); predictor 3 is a subset of predictor 1 and 2 (n = 11)