Abstract The Cochrane Collaboration is an international not-for-profit and independent
organization, dedicated to providing up-to-date evidence-based information about the …

Meta-analysis of randomized controlled trials is considered to be the methodology that
provides the most solid scientific basis for constructing clinical guidelines. It involves …

Meta-analysis is a statistical method for combining the results of available research studies
to increase statistical power. The steps of meta-analysis are identification of question, search …

This will not abolish publication bias, but it will make the reasearch that has been published
more accessible, which will certainly decrease retrieval bias. The Cochrane Collaboration …

Meta-analysis is the synthesis of all the available evidence relating to a particular
therapeutic question in a disease area. Whenever more than one trial has investigated the …

Though the need for reviews of data in clinical medicine is not new, the pressures to use
such reviews are becoming increasingly apparent. Currently, there about 23,000 biomedical …

Understanding meta-analysis × Close The Infona portal uses cookies, ie strings of text saved
by a browser on the user's device. The portal can access those files and use them to …

Evidence-based medicine (EBM) has been defined as “... the conscientious, explicit and
judicious use of current best evidence in making decisions about the care of individual …

Systematic reviews, with or without meta-analysis, play an important role today in
synthesizing cancer research and are frequently used to guide decision-making. However …

CRT alone, in the treatment of advanced head and neck cancer (HNC). The study
conclusions are that although no clear survival benefit, there is a trend of progression-free …