case fatality ratio

case fatality ratio
the number of fatalities from a specified disease in a given period per 100 episodes of the disease arising in the same period. Unless all such deaths occur rapidly after the onset of the disease (e.g. cholera) they are likely to be the outcome of episodes that started in an earlier period (hence the term 'ratio' rather than 'rate'. Comparison of the annual number of admissions and fatalities in a given hospital in respect of a specific disease is known as the hospital fatality ratio.

Medical dictionary. 2011.

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  • case fatality ratio — see under rate …   Medical dictionary

  • Коэффициент Смертности (Case Fatality Ratio) — число смертельных исходов какого либо заболевания за данный период времени, приходящееся на 100 случаев возникновения данного заболевания за тот же период времени. Если все эти смертные случаи не связаны с какой либо эпидемией (например, холеры) …   Медицинские термины

  • case fatality rate — the proportion of persons contracting a disease who die of that disease: the numerator is the number of deaths caused by a disease and the denominator is the number of diagnosed cases of the disease. Called also case fatality ratio, fatality r.,… …   Medical dictionary

  • hospital fatality ratio — see case fatality ratio …   Medical dictionary

  • Case fatality — In epidemiology, case fatality (CF) or Fatality Rate, is the ratio of deaths within a designated population, over a certain period of time. An example of a fatality rate would be 9/10,000 per year. This means that within a given year, and out of… …   Wikipedia

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  • ratio — An expression of the relation of one quantity to another ( e.g., of a proportion or rate). SEE ALSO: index (2), quotient. [L. r. (ration ) a reckoning, reason, fr. reor, pp. ratus, to reckon, compute] absolute terminal innervation r. the number… …   Medical dictionary

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  • Nested case-control study — A nested case control study is a variation of a case cohort study in which only a subset of controls from the cohort are compared to the incident cases. In a case cohort study, all incident cases in the cohort are compared to a random subset of… …   Wikipedia

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