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Network meta-analysis (NMA) is widely used in evidence synthesis to estimate the effects of several competing interventions for a given clinical condition. One of the challenges is that it is not possible in disconnected networks. Component…

统计方法学 · 统计学 2022-05-24 Maria Petropoulou , Gerta Rücker , Stephanie Weibel , Peter Kranke , Guido Schwarzer

Component network meta-analysis (CNMA) models are an extension of standard network meta-analysis (NMA) models which account for the use of multicomponent treatments in the network. This article contributes innovatively to several…

统计方法学 · 统计学 2025-07-23 Augustine Wigle , Audrey Béliveau

In network meta-analysis (NMA), we synthesize all relevant evidence about health outcomes with competing treatments. The evidence may come from randomized controlled trials (RCT) or non-randomized studies (NRS) as individual participant…

Network meta-analysis (NMA) allow combining efficacy information from multiple comparisons from trials assessing different therapeutic interventions for a given disease and to estimate unobserved comparisons from a network of observed…

统计方法学 · 统计学 2016-04-08 Victoria Nyaga , Marc Aerts , Marc Arbyn

Component network meta-analysis (CNMA) is a statistical methodology that enables estimation of relative effects for multi-component treatments, such as combinations of antidepressants, and individual components, such as single…

统计方法学 · 统计学 2026-05-15 Augustine Wigle , Audrey Béliveau , Adriani Nikolakopoulou , Lifeng Lin

Network meta-analysis (NMA) is widely used in healthcare decision-making, where estimates of the effect of multiple treatments on outcomes are required. For time-to-event outcomes such as survival or disease progression the most common…

统计方法学 · 统计学 2025-09-15 David M. Phillippo , Ayman Sadek , Hugo Pedder , Nicky J. Welton

Network meta-analysis (NMA) is a technique used in medical statistics to combine evidence from multiple medical trials. NMA defines an inference and information processing problem on a network of treatment options and trials connecting the…

统计力学 · 物理学 2022-11-30 Annabel L. Davies , Tobias Galla

Network meta-analysis (NMA) is a useful tool to compare multiple interventions simultaneously in a single meta-analysis, it can be very helpful for medical decision making when the study aims to find the best therapy among several active…

统计方法学 · 统计学 2024-02-02 Ao Huang , Yi Zhou , Satoshi Hattori

Network Meta-Analysis (NMA) is an increasingly popular evidence synthesis tool that can provide a ranking of competing treatments, also known as a treatment hierarchy. Treatment-Covariate Interactions (TCIs) can be included in NMA models to…

统计方法学 · 统计学 2026-05-13 Augustine Wigle , Erica E. M. Moodie

Network meta-analysis (NMA) is widely used to compare multiple interventions simultaneously by synthesizing direct and indirect evidence. The general fixed or random effects contrast-based NMA model can be applied to different outcomes and…

统计方法学 · 统计学 2026-03-03 Harlan Campbell , Jeroen P. Jansen

Network meta-analysis of diagnostic test accuracy (NMA-DTA) is a relatively new field, involving combining evidence across studies to evaluate and compare the accuracy of different tests for a given condition. However, the methods proposed…

统计方法学 · 统计学 2026-04-23 Efthymia Derezea , Gabriel Rogers , Nicky J Welton , Hayley E Jones

Network meta-analysis (NMA) combines evidence from multiple trials comparing treatment options for the same condition. The method derives its name from a graphical representation of the data where nodes are treatments, and edges represent…

统计方法学 · 统计学 2025-05-26 Annabel L Davies

Network meta-analysis (NMA) combines direct and indirect comparisons across a connected treatment network to estimate relative treatment effects. However, there is a lack of exact contribution decompositions that reproduce NMA estimates,…

统计方法学 · 统计学 2026-04-27 Chong Wang , Yanqi Zhang , Zhezhen Jin , Annette O'Connor

Network meta-analysis (NMA) has been used to answer a range of clinical questions about the preferable intervention for a given condition. Although the effectiveness and safety of pharmacological agents depend on the dose administered, NMA…

Studies often estimate associations between an outcome and multiple variates. For example, studies of diagnostic test accuracy estimate sensitivity and specificity, and studies of predictive and prognostic factors typically estimate…

Meta-analysis, because of both logistical convenience and statistical efficiency, is widely popular for synthesizing information on common parameters of interest across multiple studies. We propose developing a generalized meta-analysis…

统计方法学 · 统计学 2018-11-27 Prosenjit Kundu , Runlong Tang , Nilanjan Chatterjee

Now over 20 years old, functional MRI (fMRI) has a large and growing literature that is best synthesised with meta-analytic tools. As most authors do not share image data, only the peak activation coordinates (foci) reported in the paper…

统计方法学 · 统计学 2016-06-23 Silvia Montagna , Tor Wager , Lisa Feldman-Barrett , Timothy D. Johnson , Thomas E. Nichols

While meta-analyzing retrospective cancer patient cohorts, an investigation of differences in the expressions of target oncogenes across cancer subtypes is of substantial interest because the results may uncover novel tumorigenesis…

统计方法学 · 统计学 2023-07-03 Subharup Guha , David C. Christiani , S. V. Subramanian , Yi Li

A key output of network meta-analysis (NMA) is the relative ranking of treatments; nevertheless, it has attracted substantial criticism. Existing ranking methods often lack clear interpretability and fail to adequately account for…

An optimal individualized treatment rule (ITR) is a function that takes a patient's characteristics, such as demographics, biomarkers, and treatment history, and outputs a treatment that is expected to give the best outcome for that…

统计方法学 · 统计学 2026-02-05 Augustine Wigle , Erica E. M. Moodie
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