By Alfredo Morabia (auth.), Alfredo Morabia (eds.)
Methods, simply as ailments or scientists, have their very own background. it is crucial for scientists to concentrate on the genesis of the tools they use and of the context within which they have been developed.
A heritage of Epidemiologic tools and Concepts is predicated on a set of contributions which seemed in "SPM foreign magazine of Public Health", beginning in January 2001. The contributions specialize in the old emergence of present epidemiological equipment and their relative value at various closing dates, instead of on particular achievements of epidemiology in controlling plagues similar to cholera, tuberculosis, malaria, typhoid fever, or lung melanoma. The papers current the layout of potential and retrospective reviews, and the strategies of bias, confounding, and interplay. The compilation of articles is complemented by way of an advent and reviews by way of Prof. Alfredo Morabia which places them within the context of present epidemiological research.
Read Online or Download A History of Epidemiologic Methods and Concepts PDF
Similar history_1 books
As a global phenomenon, the internationalization of curriculum reviews is at its starting. whereas a lot has been written approximately South African schooling, now, for the 1st time, accrued in a single assortment are glimpses of South African curriculum reports defined by way of six certain issues of view. integrated are sections of a “micro-moment” of internationalization within which South African students respond to questions raised through students operating somewhere else.
High Performance Polymers: Their Origin and Development: Proceedings of the Symposium on the History of High Performance Polymers at the American Chemical Society Meeting held in New York, April 15–18, 1986
In response to Johann Wolfgang Von Goethe's (1740-1832) Mineralogy and Geology, "The heritage of technological know-how is technology. " A sesquicentennial later, one may perhaps country that the heritage of excessive functionality polymers is the technological know-how of those very important engineering polymers. a number of the inventors of those better fabrics of development have stood at the thresholds of the recent and feature stated their reviews (trials, tribulations and satisfactions) within the symposium and of their chapters during this booklet.
- The 2000-2005 World Outlook for Potatoes (Strategic Planning Series)
- The Journey of the Magi: Meanings in History of a Christian Story
- Dimensione cielo, Vol. 5: Bombardieri
- Dutch and British Colonial Intervention in Sri Lanka, 1780-1815 (Tanap Monographs on the History of Asian-European Interaction)
Additional info for A History of Epidemiologic Methods and Concepts
1), chronic and acute leukemia had similar incidence rates, but the prevalence of chronic leukemia was higher because its time to death was on average 2 years vs. about 2 months for acute leukemia. In reality, this simple, mechanical physics-looking expression, Prevalence = Incidence x Duration (P = I x D), serves more heuristic than practical purposes. Its exact formulation is more complicated, and it is based on the assumption that the composition and disease experience of the population remains relatively stable.
5. Prevalence and incidence We have seen that prevalence measures the accumulation in the population of events (exposures or diseases) that occurred in the distant or recent past, while incidence is a predictive statement about cases-to-be in a population still free of the disease. The two concepts are closely related and their relationships have been explored at least under two different perspectives: a) the relation of incidence to prevalence of disease; b) the relation of (excess) incidence to prevalence of exposure.
In the example given by MacMahon et al. 1), chronic and acute leukemia had similar incidence rates, but the prevalence of chronic leukemia was higher because its time to death was on average 2 years vs. about 2 months for acute leukemia. In reality, this simple, mechanical physics-looking expression, Prevalence = Incidence x Duration (P = I x D), serves more heuristic than practical purposes. Its exact formulation is more complicated, and it is based on the assumption that the composition and disease experience of the population remains relatively stable.