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• W4200556638 abstract "Network meta-analysis (NMA) is essential for clinical decision-making. NMA enables inference for all pair-wise comparisons between interventions available for the same indication, by using both direct evidence and indirect evidence. In randomized trials with time-to event outcome data, such as lung cancer data, conventional NMA methods rely on the hazard ratio and the proportional hazards assumption, and ignore the varying follow-up durations across trials. We introduce a novel multivariate NMA model for the difference in restricted mean survival times (RMST). Our model synthesizes all the available evidence from multiple time points simultaneously and borrows information across time points through within-study covariance and between-study covariance for the differences in RMST. We propose an estimator of the within-study covariance and we then assume it to be known. We estimate the model under the Bayesian framework. We evaluated our model by conducting a simulation study. Our multiple-time-point model yields lower mean squared error over the conventional single-time-point model at all time points, especially when the availability of evidence decreases. We illustrated the model on a network of randomized trials of second-line treatments of advanced non-small-cell lung cancer. Our multiple-time-point model yielded increased precision and detected evidence of benefit at earlier time points as compared to the single-time-point model. Our model has the advantage of providing clinically interpretable measures of treatment effects." @default.
• W4200556638 created "2021-12-31" @default.
• W4200556638 creator A5014513186 @default.
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• W4200556638 date "2021-12-09" @default.
• W4200556638 modified "2023-09-24" @default.
• W4200556638 title "Bayesian multivariate network meta‐analysis model for the difference in restricted mean survival times" @default.
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• W4200556638 doi "https://doi.org/10.1002/sim.9276" @default.
• W4200556638 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34883534" @default.
• W4200556638 hasPublicationYear "2021" @default.
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