Epidemiology Flashcards
1
Q
Define EPIDEMIOLOGY
A
Study of distribution and determinants of health related states/events or disease in population groups and application of the study to control health problems
Given by JOHN M LAST
2
Q
What are the components studied in epidemiology ?
A
Disease frequency (number of cases)
Disease distribution (time place person)
Disease determinants ( factors likely to cause disease)
3
Q
Terms of disease frequency
Incidence vs prevalence
A
INCIDENCE:- number of new cases of any disease
PREVALENCE:- number of existing cases ( new +old case )
Disease frequency is expressed in three tools :-
RATE
PROPORTIONAL
RATIO
4
Q
Epidemiological ratio
A
DALY by communicable diseases
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DALY by non communicable diseases
