Epidemiology

Download e-book for iPad: Clinical Epidemiology: How to Do Clinical Practice Research by R. Brian Haynes, David L. Sackett OC MD FRSC FRCP (Canad,

By R. Brian Haynes, David L. Sackett OC MD FRSC FRCP (Canad, Gordon H. Guyatt MD MSc FRCPC FACCP, Peter Tugwell

ISBN-10: 0781745241

ISBN-13: 9780781745246

Scientific epidemiology becaome the mainstream within the period of evidence-based healtg care. those authors all committed themself to this box of their occupation. This ebook validated the benefits and disavantages of methodologies utilized in scientific learn, especillay in randomized managed trials. Readers can technique sleek scientific epidemiology with none advanced mathematic formulation. I recommend that each healthcare professional or researcher who's intrested during this box should still learn this publication.

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Additional info for Clinical Epidemiology: How to Do Clinical Practice Research (CLINICAL EPIDEMIOLOGY (SACKETT))

Example text

The kappa statistic is commonly used to compare duplicate ratings. As noted in the introduction to this book, we’ve excluded detailed descriptions of statistical methods but have promised to point you to appropriate resources. Statistical texts that include analysis of rates and proportions—that is, most basic stats texts (24,25)—will provide one or more methods of assessing agreement between observers. For Eligible Articles, Assess the Scientific Merit of Each Study and Document the Reproducibility of this Assessment At least two authors assessed all selected studies independently for methodological quality.

Although some reviewers would insist that all studies on the topic be included, in my view the criteria that you use to select articles for detailed review should represent a balance of rigor and feasibility. As stated earlier in this chapter, including poor with good studies in a review debases the quality of the final product—unless there are few or almost no good studies, in which case, sticking with only the good studies will make for a rather thin assessment of the state of knowledge. The more good studies there are, the higher should be the bar for eligibility criteria.

It’s pointless to do an SR that has just been done and done well. It is fruitful, however, to start from scratch if you believe that the best available SR is biased or to start where a good but dated and inconclusive SR left off. html). tw. mp,pt. pt. xs. , with a sensitivity of more than 99% for retrieving SRs in MEDLINE through Ovid’s MEDLINE search engine, and translations for PUBMED (11). There’s not much point in worrying about the logic of this strategy, memorizing its terms, or understanding the Ovid syntax.

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Clinical Epidemiology: How to Do Clinical Practice Research (CLINICAL EPIDEMIOLOGY (SACKETT)) by R. Brian Haynes, David L. Sackett OC MD FRSC FRCP (Canad, Gordon H. Guyatt MD MSc FRCPC FACCP, Peter Tugwell


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