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The Pocket Guide to Critical Appraisal. Iain K. Crombie
Читать онлайн.Название The Pocket Guide to Critical Appraisal
Год выпуска 0
isbn 9781119835264
Автор произведения Iain K. Crombie
Жанр Медицина
Издательство John Wiley & Sons Limited
Essential features
Systematic reviews search electronic databases of research studies, such as MEDLINE, EMBASE, and CINAHL, to locate published studies, using carefully chosen combinations of key terms. Papers are carefully screened to identify the relevant ones. The chosen papers are commonly referred to as the primary studies. Key data items, such as effect size, standard deviation, and sample size, are extracted from each study. These data are usually, but not always, combined to provide an overall estimate of effect size using meta‐analysis.
Complications
There are no complications. The design of a systematic review differs substantially from all other types of study, so that an inspection of the methods used should identify it.
Terms of identification
Either of the terms systematic review or meta‐analysis identifies the design. If there is doubt, then the use of a search strategy should provide confirmation. The terms review and narrative review can refer to a systematic review or to a study with a less complete collection of primary studies. An overview usually indicates a collection of systematic reviews, but it can be used for a set of primary studies.
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