An overview of meta-analysis in health science

Samia Amin, Sayed Mahmud Saiful Amin

Research output: Contribution to journalArticlepeer-review


Meta-analysis is a subset of systematic review; a technique for systematically combining pertinent qualitative and quantitative study data from numerous selected studies to broaden a single conclusion that has more statistical power. This inference is statistically stronger than the analysis of any single study, due to increase numbers of topics, greater variety amongst subjects, or collected effects and outcomes. The aim of this review article is to highlight the definition, history, purpose, characteristics, use, advantage, disadvantage, validity, and steps in conducting meta-analysis.
Original languageEnglish
Pages (from-to)28-37
Number of pages10
JournalMalaysian Journal of Medical Research
Issue number2
Publication statusPublished - 2017
Externally publishedYes


  • Meta-analysis
  • checklist for meta-analysis
  • steps in conducting meta-analysis


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