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Advanced Search Results For "meta-analysis"

1 - 10 of 256,688 results for
 "meta-analysis"
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Challenges in Comparative Meta-Analysis of the Accuracy of Multiple Diagnostic Tests.

Publication Type: Academic Journal

Source(s): Methods in molecular biology (Clifton, N.J.) [Methods Mol Biol] 2022; Vol. 2345, pp. 299-316.

Abstract: The rapid increase in diagnostic and screening techniques has urged the need to choose among multiple diagnostic tests. For the majority of diseases, there is more than a single test available, and studies usually compare a subset of these tests. In su...

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Effectiveness of antidiabetic agents for treatment of gestational diabetes: A methodological quality assessment of meta-analyses and network meta-analysis.

Publication Type: Academic Journal

Source(s): Journal of diabetes investigation [J Diabetes Investig] 2021 Dec; Vol. 12 (12), pp. 2247-2258. Date of Electronic Publication: 2021 Jun 24.

Abstract: Aims/introduction: Despite there being several meta-analyses on the effects of antidiabetic agents in patients with gestational diabetes mellitus, the reliability of their findings is a concern, mainly due to undetermined methodological quality of thes...

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Bayesian meta-analysis using SAS PROC BGLIMM.

Publication Type: Academic Journal

Source(s): Research synthesis methods [Res Synth Methods] 2021 Nov; Vol. 12 (6), pp. 692-700. Date of Electronic Publication: 2021 Jul 21.

Abstract: Meta-analysis is commonly used to compare two treatments. Network meta-analysis (NMA) is a powerful extension for comparing and contrasting multiple treatments simultaneously in a systematic review of multiple clinical trials. Although the practical ut...

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Validating the Assumptions of Population Adjustment: Application of Multilevel Network Meta-regression to a Network of Treatments for Plaque Psoriasis.

Publication Type: Academic Journal

Source(s): Medical decision making : an international journal of the Society for Medical Decision Making [Med Decis Making] 2023 Jan; Vol. 43 (1), pp. 53-67. Date of Electronic Publication: 2022 Aug 23.

Abstract: Background: Network meta-analysis (NMA) and indirect comparisons combine aggregate data (AgD) from multiple studies on treatments of interest but may give biased estimates if study populations differ. Population adjustment methods such as multilevel ne...

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Meta-DiSc 2.0: a web application for meta-analysis of diagnostic test accuracy data.

Publication Type: Academic Journal

Source(s): BMC medical research methodology [BMC Med Res Methodol] 2022 Nov 28; Vol. 22 (1), pp. 306. Date of Electronic Publication: 2022 Nov 28.

Abstract: Background: Diagnostic evidence of the accuracy of a test for identifying a target condition of interest can be estimated using systematic approaches following standardized methodologies. Statistical methods for the meta-analysis of diagnostic test acc...

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Using information from network meta-analyses to optimize the power and sample allocation of a subsequent trial with a new treatment.

Publication Type: Academic Journal

Source(s): BMC medical research methodology [BMC Med Res Methodol] 2022 Nov 22; Vol. 22 (1), pp. 299. Date of Electronic Publication: 2022 Nov 22.

Authors:

Abstract: Background: A critical step in trial design is determining the sample size and sample allocation to ensure the proposed study has sufficient power to test the hypothesis of interest: superiority, equivalence, or non-inferiority. When data are available...

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A comparison of methods for enriching network meta-analyses in the absence of individual patient data.

Publication Type: Academic Journal

Source(s): Research synthesis methods [Res Synth Methods] 2022 Nov; Vol. 13 (6), pp. 745-759. Date of Electronic Publication: 2022 May 19.

Abstract: During drug development, a biomarker is sometimes identified as separating a patient population into those with more and those with less benefit from evaluated treatments. Consequently, later studies might be targeted, while earlier ones are performed ...

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How to observe the principle of concurrent control in an arm-based meta-analysis using SAS procedures GLIMMIX and BGLIMM.

Publication Type: Academic Journal

Source(s): Research synthesis methods [Res Synth Methods] 2022 Nov; Vol. 13 (6), pp. 821-828. Date of Electronic Publication: 2022 Jun 10.

Authors:

Abstract: Network meta-analysis is a popular method to synthesize the information obtained in a systematic review of studies (e.g., randomized clinical trials) involving subsets of multiple treatments of interest. The dominant method of analysis employs within-s...

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Network meta-analysis as a tool in clinical practice guidelines.

Publication Type: Report

Source(s): Surgical endoscopy [Surg Endosc] 2023 Jan; Vol. 37 (1), pp. 1-4. Date of Electronic Publication: 2022 Dec 01.

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Vitruvian plot: a visualisation tool for multiple outcomes in network meta-analysis.

Publication Type: Academic Journal

Source(s): Evidence-based mental health [Evid Based Ment Health] 2022 Dec; Vol. 25 (e1), pp. e65-e70. Date of Electronic Publication: 2022 May 25.

Abstract: Objective: A network meta-analysis (NMA) usually assesses multiple outcomes across several treatment comparisons. The Vitruvian plot aims to facilitate communication of multiple outcomes from NMAs to patients and clinicians.Methods: We developed this t...

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