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(a) Comparison between relative survival predictions based on the proportional excess hazards model (dashed lines) and non-parametric relative survival estimates based on the Kaplan-Meier and Hakulinen methods (solid lines) by sex and VF. (b) Comparison between relative survival predictions based on the semiparametric excess hazards model (dashed lines) and non-parametric relative survival estimates based on the Kaplan-Meier and Hakulinen methods (solid lines) by sex and VF.
