Recommendations for epidemiological studies on COPD
نویسندگان
چکیده
منابع مشابه
Recommendations for epidemiological studies on COPD.
The prevalence of chronic obstructive pulmonary disease (COPD) has been extensively studied, especially in Western Europe and North America. Few of these data are directly comparable because of differences between the surveys regarding composition of study populations, diagnostic criteria of the disease and definitions of the risk factors. Few community studies have examined phenotypes of COPD ...
متن کاملERS TASK FORCE REPORT Recommendations for epidemiological studies on COPD
The prevalence of chronic obstructive pulmonary disease (COPD) has been extensively studied, especially in Western Europe and North America. Few of these data are directly comparable because of differences between the surveys regarding composition of study populations, diagnostic criteria of the disease and definitions of the risk factors. Few community studies have examined phenotypes of COPD ...
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Chronic obstructive pulmonary disease (COPD) is one of the leading causes of death around the world [1]. Chronic airflow obstruction (CAO), measured by spirometry, is the most commonly used objective characteristic of COPD [2]. Epidemiological research has provided researchers and clinicians with critical information about the burden of COPD and its risk factors; [3–9]; however, very few studie...
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Atopic dermatitis is one of the commonest childhood diseases. Large variations in the prevalence of the disease have been observed in different studies. This variation in the prevalence may be not only from genetic and environmental factors but also from methodology of estimating prevalence of the disease. In this study, Hanifin and UKWP criteria have been used in determining prevalence of the ...
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Over the past 5-10 years, zero-inflated (ZI) count regression models have been increasingly applied to the analysis of dental caries indices (e.g. DMFT, dfms). The main reason for that is linked to the broad decline in children's caries experience, such that dmf and DMF indices more frequently generate low or even zero counts. This article specifically reviews the application of ZI Poisson and ...
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ژورنال
عنوان ژورنال: European Respiratory Journal
سال: 2012
ISSN: 0903-1936,1399-3003
DOI: 10.1183/09031936.00224411