Author/Authors :
Rateb, Said Egyptian Group for Surgical Science and Research, Egypt , Dowidar, Nabil Egyptian Group for Surgical Science and Research, Egypt , Farid, Mohamed Egyptian Group for Surgical Science and Research, Egypt , Hussein, Ahmed Egyptian Group for Surgical Science and Research, Egypt , Hazem, Ahmed Egyptian Group for Surgical Science and Research, Egypt
Abstract :
One area of confusion is the distinction between review (overview) articles, systematic reviews, and meta-analyses. The diagram below illustrates their relationship. Review (overview) articles are the broadest category. Most review articles are unsystematic, because the author does not look at all of the evidence. A systematic review has a formal approach to gathering, evaluating, and presenting the evidence. Some systematic reviews are meta-analyses; a meta-analysis goes the final step by using formal statistical methods to calculate a summary result or results