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BioStats

Chapters 1-3

TermDefinition
Parameter number describing the whole population
Statistic number describing a sample of the population
Discrete data whole concrete numbers, fixed data and is countable. Ex/ people in a class, test questions answered correctly.
Continuous data Constant sequence, measurable. Ex/ height, weight and length.
Nominal Categories and labels
Ordinal Categories, labels and ranks
Interval Categories, labels, ranks and equal intervals
Ratio Categories, labels, ranks, equal intervals and true zero
Relative Frequency number of times an event happens divided by the total number of events
Epidemiology study of occurrence of illness, distribution of determinants of disease and injury
public health efforts organized by society to protect, promote and restore the peoples health
Health ‘‘a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity.’’
Thomas Sydenham stressed the need for careful observation for the advancement of health care. Using information combed from patients’ records, Sydenham wrote about the prevalent diseases of his day
John Graunt earliest tallying od death
Induction occurs in the interval between a casual action and point of disease occurrence
Latent period after the disease becomes inevitable
Gradient of infection level of transmission and rates of speed
Measure of disease frequency quantify how often a disease or condition occurs within a given population.
Measure of occurrence measures of disease frequency
Cohorts closed populations
Incidence proportion # of disease onsets/# of individuals at Risk at beginning of follow up
Incidence rate # of disease onset/sum of person-time at risk
prevalence # of individuals with the condition/# of individuals considered
Risk Ration (RR) describes association between an exposure and disease
μ Expected number of cases
Created by: Monicab5816
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