Epidemiology can be considered as a very old science. For example, John Graunt, a statistician, published Natural and Political Observations. In the Bills of Mortality in 1662, he analyzed the mortality rolls in London before the Great Plague, presented one of the first life tables, and reported time trends for many diseases. He provided statist...

introduction: globally, it is estimated that around 5.8 million people die annually as result of injuries, which causes 10% of all deaths and 16% of disability adjusted life years lost worldwide. this study aimed to determine the epidemiology of injuries in emergency departments in iran. method: this cross sectional study was carried out using national injury surveillance data registry from 21 ...

Taking into account the hierarchical structure of the data, through two-level analysis on infant mortality available under second round of National family Health Survey, the same group of authors recently reported determinants of infant mortality while examining possible changes in results under traditional regression analysis that ignores hierarchical structure of data. They reported that the ...

Data from the national Peru Fertility Survey are used to estimate infant and childhood mortality ratios, 1968--77, for 124 Peruvian communities, ranging from small Indian hamlets in the Andes to larger cities on the Pacific coast. Significant mortality variations are found: mortality is inversely related to community population size and is higher in the mountains than in the jungle or coast. Mu...

epidemiology can be considered as a very old science. for example, john graunt, a statistician, published natural and political observations. in the bills of mortality in 1662, he analyzed the mortality rolls in london before the great plague, presented one of the first life tables, and reported time trends for many diseases. he provided statistical evidence for many theories on disease, and ch...

Abstract Background: Candidemia is the main cause of fungal nosocomial bloodstream infections and is related to meaningful mortality specially, in pediatrics. Mortality rate range from 5% to 71%, and it can reach as high as 81%. Delays in beginning of treatment have also been linked to intensified mortality. The epidemiology of Candida infection is changing from region to region. Regiona...

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background:management of acetabular fractures in the senior population can be one of the most challenging injuries tomanage. furthermore, treating surgeons have a paucity of information to guide the treatment in this patient population.the purpose of this study was to determine: (1) demographic and epidemiologic data, (2) mortality rates for nonoperativecompared to operative management at diffe...

multidrug-resistant (mdr) and extensively drug-resistant (xdr) tuberculosis (tb) are increasing globally. treatment options for these patients are very limited. although treatment of these patients with standardized regimen is associated with high mortality and morbidity, rational usage of new drugs might be promising. in this study we will review epidemiology of xdr-tb and tdr-tb in iran and t...