The Times piece was somewhat based on the conclusions of a meta analysis by the well respected Cochrane Review that surveyed a number of salt studies and which also found no clear benefit from reducing salt.
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In a meta-analysis published in 2007, he found no evidence that games made their players violent.
The reason is that a meta-analysis of the degludec major trials showed a potential adverse CV signal.
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This type of study, known as a meta-analysis, can highlight problems that no single study typically can.
Additionally, a 2007 meta-analysis found a correlation between increased coffee consumption and lower risk of liver cancer.
Validity of observer ratings of the Five-Factor Model of personality: A meta-analysis.
The Komen Web site cites a meta-analysis of the the two largest randomized controlled trials, one from China and one from Russia.
Miller, Wampold, and Varhely, 2008 was a meta-analysis study designed to see if there are differences in efficacy among treatment models applied to children and youth.
That's according to a meta-analysis published in June in the American Heart Association's journal Circulation: Heart Failure, based on pooling the results of five studies.
But a meta-analysis of 23 studies by Karl Hanson of Canada's department of public safety found that psychological therapy was associated with a 43% drop in recidivism.
In a meta-analysis of the research literature on alcohol taxes and their impact on consumption, Wagenaar et al. found that a 10 percent increase in alcohol prices would result in a 5 percent reduction in drinking.
Back in January, my friend Bror Saxberg, chief learning officer of Kaplan, published an eye-popping blog about a meta-analysis that Kurt VanLehn published recently about nearly 100 well-constructed papers about computers used to tutor learners.
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The main point of the article is to explain why FDA is not taking action against Spiriva (generic name: tiotropium), a treatment for chronic obstructive pulmonary disorder sold by Boehringer Ingelheim and Pfizer, despite a meta-analysis that raised concerns.
Second, to select the program which will be the focus of a SIB, there needs to be a meta-analysis comparing programs with similar goals against one another to see which delivers the best results for the population and circumstances, and at what cost.
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Over the past two years, for instance, he has published studies maintaining the Chantix anti-smoking pill is unsuitable for first-line use (read here and here) and a meta-analysis indicating the mist form of the Spiriva inhaler that is used to treat chronic obstructive pulmonary disease had a 52 percent increase in mortality risk compared with a placebo ( see this).
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One conclusion emerging from the research, says Irving Kirsch, a professor at Harvard Medical School who wrote the preface to the volume, is that the effect is strongest for those disorders that are predominantly mental and subjective, a conclusion backed by a meta-analysis of placebo studies that was carried out in 2010 by researchers at the Cochrane Collaboration, an organisation that reviews evidence for medical treatments.
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According to a 2009 meta-analysis, the risk of type II diabetes goes down with each cup of coffee consumed daily.
While it would be a formidable task to check every study Wagenaar et al. subsumed in their meta-analysis, a quick check to find out whether they included a study with a known systematic bias reveals the study included Chesson et al., a study by the Centers for Disease Control which claimed that increased beer taxes could reduce the rate of gonorrhea.
The meta-analysis showed that people with allergies had a 24% reduced risk of developing head and neck cancers.
This meta-analysis, as it is known, strongly suggests that participation in a scared-straight programme substantially increases the likelihood of subsequent arrest among participants.
Zelnorm, a Novartis drug for painful bowel symptoms, was pulled from the market because of another meta-analysis that showed an increased risk of heart attacks.
In the accepted hierarchy of evidence generation, the results of a randomized, controlled clinical trial usually take precedence over other forms of evidence such as meta-analysis and observational studies.
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