منابع مشابه
Estimability and estimation in case-referent studies.
The concepts that case-referent studies provide for the estimation of "relative risk" only if the illness is "rare", and that the rates and risks themselves are inestimable, are overly superficial and restrictve. The ratio of incidence densities (forces of morbidity)-and thereby the instantaneous risk-ratio-is estimable without any rarity-assumption. Long-term risk-ratio can be computed through...
متن کاملpricing unemployment insurance : the case of iran
employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...
Weather parameters and nosocomial bloodstream infection: a case-referent study
OBJECTIVE To evaluate if temperature and humidity influenced the etiology of bloodstream infections in a hospital from 2005 to 2010. METHODS The study had a case-referent design. Individual cases of bloodstream infections caused by specific groups or pathogens were compared with several references. In the first analysis, average temperature and humidity values for the seven days preceding colle...
متن کاملAcute Coronary Syndrome and Suicide: A Case‐Referent Study
BACKGROUND The high prevalence of acute coronary syndrome (ACS) represents a significant burden on healthcare resources. A robust association exists between depression and increased morbidity and mortality after ACS. This study examined the relationship between suicide and ACS after adjusting for depression and other comorbidities. METHODS AND RESULTS In this case-referent study conducted in ...
متن کاملRadiological irregular opacities and coalwork exposure: a case-referent study.
Five hundred and fifteen men newly attending chest clinics in coalmining areas of England and Wales were entered into a study of the risk of irregular opacities on the chest radiograph in relation to occupation; readable radiographs were received for 489. The men completed questionnaires on occupational and smoking history and the radiographs were read for irregular opacities by the collaborati...
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ژورنال
عنوان ژورنال: Therapies
سال: 2019
ISSN: 0040-5957
DOI: 10.1016/j.therap.2018.09.073