📌 Understanding the Key Stages in Systematic Review Articles
Systematic reviews follow a structured methodology to ensure comprehensive and unbiased evidence synthesis. The core steps include:
🔹 Title and Abstract Screening – Identifying relevant studies based on predefined criteria.
🔹 Full-Text Screening – Evaluating the eligibility of selected studies.
🔹 Data Extraction – Collecting key information from included studies.
🔹 Quality Assessment – Evaluating the risk of bias and methodological strength.
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📖 Example of Title and Abstract Screening (Excerpt):
"Two independent reviewers screened titles and abstracts of 1,200 studies retrieved from PubMed, Embase, and Cochrane Library. Discrepancies were resolved through discussion or third-party adjudication."
📊 Example of Full-Text Screening (Excerpt):
"After removing duplicates and irrelevant abstracts, 245 full-text articles were reviewed. Studies not meeting eligibility criteria were excluded with documented reasons."
📈 Example of Data Extraction (Excerpt):
"Two authors extracted data using a standardized form, including study design, sample size, interventions, outcomes, and key findings. Data inconsistencies were resolved by consensus."
💡 Example of Quality Assessment (Excerpt):
"Risk of bias was assessed using the Cochrane Risk of Bias Tool for RCTs and the Newcastle-Ottawa Scale for observational studies. Studies with high bias were subjected to sensitivity analysis."
🎯 Why Follow This Structure?
✅ Ensures a transparent, replicable, and systematic approach.
✅ Reduces selection bias and enhances reliability.
✅ Facilitates accurate synthesis of evidence for decision-making.
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