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Fig. 4 | BMC Medical Research Methodology

Fig. 4

From: Combined models for pre- and post-treatment longitudinal biomarker data: an application to CD4 counts in HIV-patients

Fig. 4

Plots of \(\phi _{1}\left (u_{i}^{+} \right)\) (ac, relating to long-term maximum) and \(\phi _{2}\left (u_{i}^{+} \right)\) (df, relating to speed of response) for Model4. Graphs on the left of each row a, d show the fitted functions for patients initiating treatment within 6 months of seroconversion, those in the centre b, e show the functions for patients initiating treatment beyond 6 months but within 1 year and those on the right c, f show the functions for patients who started treatment beyond 1 year. Pointwise 95 % confidence intervals for the functions are shown as dashed lines

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