Titlebook: Epidemiological Practices in Research on Small Effects; Hans Hoffmeister,Moyses Szklo,Michael Thamm Conference proceedings 1998 Springer-V

等级的上升

FLIT

包租车船

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chastise

Generosity

Definitionen. Allgemeine Literaturangabenor example, to be able to demonstrate a relative risk of 5 in the context of a case-control study in which the prevalence of exposure is about five per cent, only seventy cases and seventy controls are needed. On the other hand, if the relative risk one is interested in is 1.1, about 35,000 cases an

DEFER

Handbuch der Physik‘ Encyclopedia of Physicsave entered this field. Yet, I firmly believe that, in the realm of all sciences that are part of the many disciplines of medicine, epidemiology is the key. Having studied demographics, lifestyles, and disease patterns for more than four decades, I firmly believe that most of the chronic diseases of

MAG

R. W. Leonard,A. Barone,B. E. Noltingkdemiology is left to studying weak associations. The big question is: Is that statement true? I would like to give a few of examples of weak associations. But before that, I would like to question the thesis that we are only studying weak associations. Within a couple of weeks we will have a publica

Uncultured

Adulterate

https://doi.org/10.1007/978-3-7091-9032-6o call it in the old days, regression towards the mean. I met this as an analytical problem in 1967, when J. Cornfield and W. Haenszel gave a course in cancer epidemiology in Oslo. Among their exercises was one on the relationship between serum cholesterol and coronary heart disease. The simplest wa

opalescence

https://doi.org/10.1007/978-3-0348-5852-6d for decision making. Within such a process of decision making, it is much easier to make inferences when dealing with large effects. Such large associations may be identified by any professional with some rational judgement. One has to remember the number of times where the initial association bet