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A Bayesian hierarchical model for meta-analysis
[Submitted on 15 Jun 2026] · 2026-06-16 · via stat updates on arXiv.org

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Abstract:Meta-analysis is a key statistical tool for synthesizing clinical trial data to evaluate treatment effects, yet traditional methods like fixed and random-effects models often fail to handle heterogeneity, study-level covariates, or hierarchical structures effectively. To overcome these limitations, we developed a Bayesian hierarchical meta-analysis framework for robust parameter estimation on small samples and utilized analytical integration for efficient inference. Simulation studies indicated robust estimation of the proposed model. We applied it to the safety profiles of Oxcarbazepine (OXC) and Carbamazepine (CBZ) in epilepsy treatment. The results indicated that OXC was significantly associated with a lower risk of side effects than CBZ. The code and relevant data used in this study are openly available on GitHub at: this https URL.

Submission history

From: Sijie Xu [view email]
[v1] Mon, 15 Jun 2026 05:05:41 UTC (7,614 KB)