ANTC67H3 Chapter Notes - Chapter 2: Maternal Death, Infant Mortality, Cumulative Incidence
Document Summary
Definitions: who defines health as a state of complete physical, mental and social wellbeing and not merely the absence of disease and infirmity. The definition is criticized due to the difficulty defining and measuring wellbeing. A clear and concise definition of what is considered a case ensures that the same entity in different groups or individuals is being measured: epidemiologists use simple definitions for health states, such as. However, the distinction between normal and abnormal is not clear, especially with regard to normally distributed continuous variables. E. g. , cut-off points for treating high blood pressure are arbitrary, as there is a continuous increase in risk of cardiovascular disease at every level. In contrast, the definitions for health states of clinical practitioners are influenced by clinical judgement. A series of tests are done until a diagnosis is made. Diagnostic criteria: diagnostic criteria are based on symptoms, signs, history and test results.
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