In simulations and a head-and-neck cancer case study, adding real-world survival data to short trial follow-up reduces bias in long-term survival extrapolations with the survextrap model, even when the external data are moderately biased.
Dynamic and Flexible Survival Models for Extrapolation of Relative Survival: A Case Study and Simulation Study
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A simulation and case study to evaluate the extrapolation performance of flexible Bayesian survival models when incorporating real-world data
In simulations and a head-and-neck cancer case study, adding real-world survival data to short trial follow-up reduces bias in long-term survival extrapolations with the survextrap model, even when the external data are moderately biased.