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NR503 - Epidemiology Final Questions & 100% correct Answers- Latest Test | Graded A+ | Passed
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exposed incidence Ξ -:- incidence of new cases of disease in persons who were exposed exposed incidence equation Ξ -:- number exposed with disease / total number exposed unexposed incidence Ξ -:- incidence of new cases of disease in persons who were not exposed unexposed incidence equation...

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  • August 26, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
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E x c e l l e n c e i s k e y | 2 0 2 0 2 5 ~ P a g e |1




NR503 - Epidemiology Final Questions & 100%
correct Answers- Latest Test | Graded A+ | Passed
exposed incidence

Ξ -:- incidence of new cases of disease in persons who were exposed



exposed incidence equation

Ξ -:- number exposed with disease / total number exposed



unexposed incidence

Ξ -:- incidence of new cases of disease in persons who were not exposed



unexposed incidence equation

Ξ -:- number unexposed with disease / total number of unexposed



incidence of disease

Ξ -:- measure of risk; total number in population with disease divided by total number

of population



incidence of disease equation

Ξ -:- number with disease / total population



relative risk

Ξ -:- risk of disease in one group versus another; risk of developing disease after

exposure; 1 = no risk



relative risk equation




26/08/2024 | © Copyright- This work may not be copied for profit.

, E x c e l l e n c e i s k e y | 2 0 2 0 2 5 ~ P a g e |2


Ξ -:- # exposed with disease/total of all exposed // # unexposed with disease/total all

unexposed



odds ratio

Ξ -:- measure of exposure and disease outcome commonly used in case control

studies



odds ratio equation

Ξ -:- R(exposed)/1-R(exposed) / R(unexposed)/1-R(unexposed)



prevalence

Ξ -:- number of cases of a disease in a given time regardless of when it began



prevalence equation

Ξ -:- (persons with disease / total pop) x1000



attributable risk

Ξ -:- difference in disease in those exposed and unexposed, calculated from

prospective data; directly attributed to exposure (if exposure gone, disease gone)



attributable risk equation

Ξ -:- R(exposed) - R(unexposed)



crude birth rate

Ξ -:- number of live births per 1000 people in population



crude birth rate equation

Ξ -:- (# of births/estimated mid-year population) x1000




26/08/2024 | © Copyright- This work may not be copied for profit.

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