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The process or technique of synthesizing research results by using various statistical methods to retrieve, select, and combine results from previous separate but related studies.
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Study selection 9 State the process for selecting studies (ie, screening, eligibility, included in systematic review, and, if applicable, included in the meta-analysis).
Electronic database PubMed (between 1966 and June 2015) was searched for systematic reviews and meta-analyses using following search terms: ("garlic" OR "allium sativum" OR "allicin" OR "organosulfur") AND ("cardiovascular" OR "coronary" OR "cholesterol" OR "triglyceride" OR "atherosclerosis" OR "blood pressure" OR "hypertension" OR "blood glucose") AND ("systematic review" OR "meta-analysis"), with no restriction to calendar data and language.
A meta-analysis was conducted on 7 randomized controlled trials (including a total of 790 patients) that examined the effect of omega-3 fatty acids in the treatment of dry eye syndrome.
Meta-analysis is a quantitative statistical procedure that synthesizes findings across many studies, overcoming the problems of small samples and diverse outcomes and programs.
Network Meta-analysis (NMA) is a generalization of pairwise meta-analysis that permits multiple comparisons (three or more treatment groups) in a single analysis.
Goldsmith and his colleagues conducted a meta-analysis that pooled results of three dozen studies of outpatients with bipolar disorder, schizophrenia, and major depression, to search for commonalities and differences in immune system activation.
* Based on the systematic review and meta-analysis by Slot et al, the adjunctive use of the most commonly employed diode laser (809 to 980 nm) as an adjunct to traditional mechanical modalities of periodontal therapy in patients with periodontitis is questionable.
The authors performed a meta-analysis to investigate garlic's effect on BP.
It is debatable whether the diagnostic value of the BTA stat test in detecting bladder cancer is superior to urine cytology.[sup.11]-[sup.17] To understand the nuances of the BTA test and the urine cytology test in diagnosis, we conducted a systematic review of published findings and used meta-analysis techniques to quantitatively combine results.
Systematic reviews with meta-analysis, a quantitative approach for combining the results of different studies on the same topic [8], are considered by many to be the most important type of evidence for determining the efficacy and effectiveness of various treatments on selected outcomes [9, 10].
Stepping Stones Triple P-Positive Parenting Program for children with disability: A systematic review and meta-analysis. Research in Developmental Disabilities, 34, 1556-1571.
This research note has four objectives: 1) to present systematic literature reviews and meta-analysis methodologies and argue for their relevance in policy-making; 2) to describe the extent to which these research designs are used by ministerial policy analysts; 3) define the socio-professional profile of those policy analysts; and 4) discuss some implications of our analyses for policy analysts and researchers.