Research Nexus

Network Meta-analysis Workshop

Advance Your Research Skills with Network Meta-Analysis Techniques & Evidence Synthesis.

Why Choose Network Meta-analysis Workshop?

At Research Nexus, we offer a diverse range of programs designed to empower your research journey and align with your goals.

Comprehensive Network Meta-Analysis Workshop

Enhance your research expertise through our Network Meta-analysis Workshop, designed to help participants understand advanced evidence synthesis methods, compare multiple interventions simultaneously, and interpret complex statistical outcomes with confidence. This workshop provides practical insights into systematic reviews, indirect comparisons, data interpretation, and real-world applications for academic and healthcare research.

Course Outline

Module 1: Foundations of Network Meta-Analysis

Introduction to Network Meta-Analysis (NMA)

  • What is NMA? Definition and purpose
  • Distinguishing NMA from pairwise meta-analysis
  • When to use NMA in clinical and policy decision-making contexts

Core Concepts

    • Direct vs. indirect evidence
    • Transitivity assumption and its importance
    • Consistency vs. inconsistency in networks
    • Understanding network geometry and graphs

Module 2: Formulating the Research Question

Extending PICO for NMA

  • Defining populations, interventions, comparators, and outcomes
  • Handling multiple interventions and multi-arm trials

Protocol Development

    • Registering NMA protocols (PROSPERO, OSF)
    • PRISMA-NMA extension for reporting standards

Module 3: Systematic Review for NMA

Literature Search Strategies

  • Comprehensive search across multiple databases:
    • PubMed
    • Cochrane Library
    • Embase
    • Others
  • Identifying trials with multiple intervention arms
  • Searching for unpublished and ongoing trials

Study Selection and Data Extraction

  • Screening using Rayyan AI or Covidence
  • Extracting data for multiple comparisons

Handling correlated data from multi-arm trials

Module 4: Risk of Bias and Quality Assessment

Assessing Individual Studies

  • Using ROB-2 (Risk of Bias 2.0) for randomized trials
  • ROBINS-I for non-randomized studies

Assessing Confidence in NMA Evidence

    • CINeMA (Confidence in Network Meta-Analysis) framework
    • GRADE approach for NMA

Module 5: Statistical Foundations

Understanding Effect Measures

  • Odds ratios
  • Risk ratios
  • Mean differences
  • Standardized mean differences

Fixed-Effect vs. Random-Effects Models in NMA

  • When to use each approach

Heterogeneity in NMA

    • Measuring and addressing heterogeneity

Module 6: R Programming for Network Meta-Analysis

Introduction to R for NMA

  • Installing and loading NMA packages:
    • netmeta
    • gemtc
    • BUGSnet

Data Preparation

  • Structuring long-format data for NMA
  • Handling multi-arm trials

Conducting NMA in R

  • Generating network graphs
  • Running fixed-effect and random-effects models
  • Obtaining league tables and ranking probabilities

Advanced R Applications

    • Node-splitting analysis for inconsistency assessment
    • Meta-regression in NMA
    • Generating:
      • Forest plots
      • Rankograms
      • SUCRA (Surface Under the Cumulative Ranking) plots

Module 7: Interpreting and Presenting NMA Results

Network Graphs

  • Visualizing treatment networks

League Tables

  • Presenting pairwise comparisons with confidence intervals

Ranking Metrics

  • Understanding SUCRA and P-scores
  • Presenting rankograms

Inconsistency Assessment

    • Global and local inconsistency testing

Module 8: Advanced Topics (Optional / Extended)

Bayesian Network Meta-Analysis

  • Introduction to Bayesian methods using gemtc or BUGSnet
  • Understanding priors, convergence, and model diagnostics

Network Meta-Analysis of Diagnostic Test Accuracy

  • Special considerations for diagnostic studies

Individual Patient Data (IPD) Network Meta-Analysis

    • Overview and applications

Module 9: Publication and Dissemination

Manuscript Preparation

  • Structuring an NMA manuscript
  • PRISMA-NMA checklist

Targeting High-Impact Journals

  • Journals that publish NMA:
    • BMJ
    • JAMA Network
    • Lancet specialty journals

Team Management

    • Distributing tasks among team members
    • Timeline management for submission within 45–60 days