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. Author manuscript; available in PMC: 2016 Jul 15.
Published in final edited form as: J Affect Disord. 2015 Apr 2;180:52–61. doi: 10.1016/j.jad.2015.03.045

Figure 2. Survival curves for different tertile risk groups.

Figure 2

Figure 2

a: Training sample (n=194)

b: Test sample (n=133)

Legend: Kaplan Meier survival curves for subjects in the lowest one third (green), intermediate one third (blue), and highest one third risk group (red) based on linear predictor scores derived from the full prediction model. In case of missing information on predictors at FF2, FF1 information was used for the linear predictor score of the test sample. Diamonds indicate censored subjects.

FF1, interview wave 1 (1988-1989); FF2, interview wave 2 (1990-1991); FF3, interview wave 3 (1992-1994); FF4, interview wave 4 (1995-1997)