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Conducting a High-Quality Systematic Review.

Nadine Shehata1, Rohan D'Souza2

  • 1N. Shehata MD, MSc, Departments of Medicine, Laboratory Medicine, and Pathobiology, Institute of Health Policy Management and Evaluation, University of Toronto, Division of Medical Oncology and Hematology, University Health Network, and Division of Hematology, Mount Sinai Hospital, Toronto; Nadine.shehata@sinaihealth.ca.

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Summary
This summary is machine-generated.

Systematic reviews (SRs) rigorously synthesize healthcare evidence. This review details SR development, emphasizing risk of bias and certainty of evidence assessments for methodological rigor.

Keywords:
critical appraisalmetaanalysisqualityrisk of biassystematic review

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Area of Science:

  • Medical Research Methodology
  • Evidence Synthesis
  • Healthcare Decision Making

Background:

  • Systematic reviews (SRs) are crucial for synthesizing healthcare evidence and informing clinical decisions.
  • Rigorous SRs are considered the highest level of research evidence.
  • SRs identify research gaps and priorities for future studies.

Purpose of the Study:

  • To outline the essential steps in developing high-quality systematic reviews.
  • To emphasize the critical role of risk of bias (ROB) and certainty of evidence assessments.
  • To ensure a methodologically sound and rigorous process for evidence synthesis.

Main Methods:

  • Focus on the systematic review process from protocol registration to reporting.
  • Detailed assessment of risk of bias (ROB) tools for various study designs.
  • Explanation of certainty of evidence assessment using frameworks like GRADE.
  • Discussion of quantitative (meta-analysis) and qualitative (narrative) analysis.

Main Results:

  • SRs provide a structured approach to knowledge synthesis.
  • Risk of bias is assessed at the individual study level.
  • Certainty of evidence is evaluated for outcomes across studies.
  • Quantitative analysis yields effect estimates with confidence intervals.

Conclusions:

  • Adherence to systematic steps, including ROB and certainty of evidence assessment, is vital for rigorous SRs.
  • Methodological rigor ensures the reliability of synthesized evidence.
  • SRs are indispensable tools for evidence-based healthcare practice and research advancement.