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Epidemiology > Lecture 2- disease frequency > Flashcards

Lecture 2- disease frequency Flashcards

1
Q

what is the target population

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2
Q

how can systematic sampling errors avoided

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3
Q

what is the study population

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4
Q

what must a study sample be

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5
Q

what are rates

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6
Q

what do clinical studies describe

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7
Q

what do epidemiology studies describe

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Always need to know the population size

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8
Q

what is the equation for rate

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9
Q

how do we calculate ratios

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10
Q

what is a prevalence rate

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11
Q

what is an incidence rate

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12
Q

how is prevalence calculated

A

Usually expressed as cases per 100 or per 100

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13
Q

what is the point prevalence rate

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14
Q

what is the period prevalence rate and when is it mainly used

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15
Q

what factors effect the prevalence rate

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16
Q

what increases the prevalence rate

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17
Q

what decreases prevalence rates

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18
Q

why do prevalence studies do not usually provide strong evidence of causality

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19
Q

The prevalence of risk factors for a disease are as important as…

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19
Q

what are prevalence rates helpful in

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20
Q

what’re incidence rates

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21
Q

the Rate of occurrence of NEW cases; is applicable to…

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22
Q

what is the equation for incidence rates

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23
Q

what are the pros of incidence rates

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24
Q

what are the cons of incidence rates

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25
Q

what is the link between incidence and prevalence

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26
Q

how do we calculate prevalence

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27
Q

what disease has high prevalence and low incidence

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28
Q

what disease has low prevalence and high incidence

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29
Q

what is case fatality

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30
Q

how do we calculate case fatality

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31
Q

To make comparisons between sets of continuous data, the measurements must be…

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32
Q

To make comparisons 3 forms must be considered….

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33
Q

what population is the crude rate presented for

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34
Q

what population is the specific rate presented for

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35
Q

what are the standardised or adjusted ratios

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36
Q

what is the crude rate not standardised for

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37
Q

what is the equation for crude mortality rate

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38
Q

what are specific rates

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39
Q

example age standardised rates and why are these rates needed

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40
Q

what is SMR

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41
Q

what is the equation for SMR

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42
Q

what does it mean if the SMR is 100

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43
Q

what does it mean if the SMR over 100

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44
Q

what does it mean if the SMR is below 100

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45
Q

what does epidemiology not look in to

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46
Q

what correlation does age and disease have

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Epidemiology (12 decks)

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