Methodological issues in diagnostic studies
نویسندگان
چکیده
منابع مشابه
Methodological issues of confounding in analytical epidemiologic studies
Background: Confounding can be thought of as mixing the effect of exposure on the risk of disease with a third factor which distorts the measure of association such as risk ratio or odds ratio. This bias arises because of complex functional relationship of confounder with both exposure and disease (outcome). In this article, we provided a conceptual framework review of confounding issues in epi...
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To the Editor: I wish to comment on several methodological issues in a recent systematic review and meta-analysis on the diagnostic accuracy of ultrasound-guided core-needle biopsy for head and neck lesions. This study suffers from several problems that are commonly seen in meta-analyses of diagnostic accuracy studies. First, meta-analysis requires specialized statistical methods to synthesize ...
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Siamak Sabour1,2* 1Department of Clinical Epidemiology, School of Health, Shahid Beheshti University of Medical Sciences, Tehran, IR, Iran 2Safety Promotions and Injury Prevention Research Center, Shahid Beheshti University of Medical Sciences, Tehran, IR, Iran *Corresponding author: Siamak Sabour, Department of Clinical Epidemiology, School of Health, Safety Promotion and Injury Prevention Res...
متن کاملmethodological issues of confounding in analytical epidemiologic studies
background: confounding can be thought of as mixing the effect of exposure on the risk of disease with a third factor which distorts the measure of association such as risk ratio or odds ratio. this bias arises because of complex functional relationship of confounder with both exposure and disease (outcome). in this article, we provided a conceptual framework review of confounding issues in epi...
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Delphi is a powerful technique used to seek answers to appropriate questions. The purpose of this paper is to provide an overview of the Delphi technique as a research method. This paper discusses the scientific merit of the Delphi technique by investigating on 41 studies of Journal of Agricultural Education from 1981 to 2013, and 2 studies of Journal of Agricultural Science and Technology. The...
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ژورنال
عنوان ژورنال: Saudi Journal of Gastroenterology
سال: 2011
ISSN: 1319-3767
DOI: 10.4103/1319-3767.77253