title: [The statistical analysis in systemic reviews in surgery].
abstract: The quantitative analysis of the various clinical researches is carried out by means of special statistical data manipulation. It allows to receive results which cannot be taken from separate researches. In the article methodological bases of the meta-analysis and an opportunity of its application and interpretation in systemic surgical reviews are stated. The algorithm of carrying out the statistical generalization of information on stages is presented. It includes conclusions about necessity of association of concrete data, selection of original researches; estimation of statistical heterogeneity of results and value of studied effect; the analysis and explanation of the reasons of heterogeneity; estimations of probability of presence of regular mistakes and representation of results. As all reviews concern to retrospective study analysis and are subject to regular and random errors, methods, that reduce these mistakes to a minimum, are also presented.
authors.forename: V V
authors.initials: VV
authors.lastname: Bazylev
authors.forename: Iu V
authors.initials: IuV
authors.lastname: Belov
mesh_terms: D003627:Data Interpretation, Statistical; D006801:Humans; D015201:Meta-Analysis as Topic; D012196:Review Literature as Topic; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data*