Useful Terms for Stats and Epi 0.0 / 5 ? Veterinary ScienceStatistics and EpidemiologyUniversityNone Created by: Ro-Po 17Created on: 21-07-18 13:16 What is the study of disease is human populations? Epidemiology 1 of 27 What is the study if disease in animal populations? Epizootiology 2 of 27 What is the study of disease in plant populations? Epiphytology 3 of 27 Sporadic Occasional case 4 of 27 What is the 'usual' level of disease constantly present in a population termed? Endemic 5 of 27 What is a 'new', significant occurrence of a disease well above endemic level called? Epidemic 6 of 27 What is a persistent, high level of disease called? Hyperendemic 7 of 27 Endemic/epidemic in animal populations Enzootic/epizootic 8 of 27 Prevalence Cases/population at risk 9 of 27 Incidence New cases is a time period 10 of 27 Cumulative incidence New cases/Initial population at risk 11 of 27 Incidence rate New cases/total animal-years at risk 12 of 27 Morbidity Proportion of pop. with disease 13 of 27 Mortality Proportion of pop. that die 14 of 27 Null Hypothesis Hypothesis that there is no effect of a treatment on an outcome 15 of 27 Alternative Hypothesis Hypothesis that the treatment gives rise to the outcome 16 of 27 What epidemiology uses statistical methods Statistical/analytical 17 of 27 What epidemiology uses controlled experiments? Experimental 18 of 27 What epidemiology uses mathematical approaches to understand disease? Theoretical 19 of 27 What epidemiology uses principles, methods and findings in care of individuals, with respect to diagnosis and prognosis? Clinical 20 of 27 What is sensitivity? Percentage of diseased individuals that test POSITIVE 21 of 27 What Are individuals who are + but test - called? False negatives 22 of 27 What is specificity? Percentage of healthy individuals that test NEGATIVE 23 of 27 What are individuals who are - but test + called? False positives 24 of 27 Risk Factor Any variable that influences incidence of disease 25 of 27 Associations Examine how variable and disease are related 26 of 27 Incidence risk Prob. of event occuring 27 of 27
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