So, what is the difference between qualitative meta-analysis and systematic review methods? Are these methods the same? Does qualitative meta-analysis means systematic review method?
Systematic review is the way you systematically review the literature to gather all the relevant publications. Meta-analysis is the statistical method you conduct to pool the estimated effect from each studies you gather from systematic review.
Systematic review is the way you systematically review the literature to gather all the relevant publications. Meta-analysis is the statistical method you conduct to pool the estimated effect from each studies you gather from systematic review.
An important distinction is that all the references used in systematic reviews receive proper citation credit. This does not occur in meta-analyses, where references to data sources (mostly from published scientific articles) are generally listed in digital appendices and are not counted as citations. This has very relevant ethical and practical implications, which most authors and editors seem to ignore or disregard. The issue is clearly and briefely stated in this open letter (http://goo.gl/TZLQdg).
Hello
I think that Patompong is right and clear.
The systematic review correspond to research via MESH words or ineresting words ALL the articles on the subject and to do the synthesis whereas metaanalyses are based on population of studies pooled together in order to estimate pool effect of covariables.
Metaanalyses allow increasing the power of the results.
beest regards
Although it is possible to perform a 'qualitative systematic review' (http://handbook.cochrane.org/chapter_20/20_qualitative_research_and_cochrane_reviews.htm) -- implying that you have a systematic approach for finding, retrieving, including/excluding articles, extracting information (defined before the start of your study), and reporting all results -- not just the one's you like or that support your original research hypothesis, question, etc. as studies not relevant should have been excluded with your a priori exclusion criteria -- it is not possible to perform a qualitative meta-analysis (to my knowledge) as a meta-analysis is a quantitative summary of results reported in studies identified in your systematic review -- however, it may be possible to do a meta-analysis on quantitative information you gather in your systematic review regarding studies. This is outside of my realm of knowledge, but here is a link to maybe help get you started: http://www.ncbi.nlm.nih.gov/pubmed/19034804
A systematic review answers a defined research question by collecting and summarising all empirical evidence that fits pre-specified eligibility criteria.
A meta-analysis is the use of statistical methods to summarise the results of these studies.
so meaning that meta-analysis is a method of analysis you adopt following a systematic review
here is an interesting helpful site http://www.ccace.ed.ac.uk/research/software-resources/systematic-reviews-and-meta-analyses
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