# Study sets matching "epidemiology"

Study sets

Diagrams

Classes

Users

Infectivity

Virulence

Pandemic

Incidence

The proportion of persons exposed to an infectious agent who b…

The ability of any agent of infection to produce disease. numb…

world wide epidemic

The number of newly diagnosed cases during a specific time per…

Infectivity

The proportion of persons exposed to an infectious agent who b…

Virulence

The ability of any agent of infection to produce disease. numb…

Incidence

incidence measurement starts with what…

incidence rate ratio

best use for incidence

number of new cases of a disease in a specified amount of time…

healthy people!! not already sick people - only measuring the…

examines risk factors and health disparities... men compared to w…

how rapidly a disease is developing, or how common within a ce…

Incidence

number of new cases of a disease in a specified amount of time…

incidence measurement starts with what…

healthy people!! not already sick people - only measuring the…

Incidence rates

Morbidity rates

Mortality rates

Risk

The occurrence of new cases of disease or condition in a commu…

Rates of illness

Birth and death rates

Probability of an adverse event

Incidence rates

The occurrence of new cases of disease or condition in a commu…

Morbidity rates

Rates of illness

Which is harder to prove: causation or…

Three types of prevention

Primary prevention

Secondary prevention

causation

primary... secondary... tertiary

preventing initial development of disease... -immunization... -reduc…

early detection of existing disease to reduce severity & compl…

Which is harder to prove: causation or…

causation

Three types of prevention

primary... secondary... tertiary

Sensitivity (SN-N-OUT)

Specificity (SP-P-IN)

Positive predictive value (PPV)

Negative predictive value (NPV)

-a person with a disease will have a positive result on a give…

-a person without a disease will have a negative result on a t…

-a person with a positive test result has the disease (true po…

-a person with a negative test result is disease free. ... -A te…

Sensitivity (SN-N-OUT)

-a person with a disease will have a positive result on a give…

Specificity (SP-P-IN)

-a person without a disease will have a negative result on a t…

Incidence rates

Morbidity rates

Mortality rates

Risk

The occurrence of new cases of disease or condition in a commu…

Rates of illness

Birth and death rates

Probability of an adverse event

Incidence rates

The occurrence of new cases of disease or condition in a commu…

Morbidity rates

Rates of illness

epidemiology

distribution

determinants

natural history of disease

study of distribution & determinants of health -... related stat…

related to person place time ( descriptive epidemiology )

causes & factors that influence the risk of disease ( analytic…

the progress of the disease in an individual without any inter…

epidemiology

study of distribution & determinants of health -... related stat…

distribution

related to person place time ( descriptive epidemiology )

Hippocrates

Epidemiology Definition

Branches of Public Health

Public Health Triangle

Airs, waters, and places. The father of modern medicine noted…

The study of the distribution and determinants of disease (des…

Policy: Synthesizes health-related advice into the making of r…

Policy, scientific, clinical, and activists all working togeth…

Hippocrates

Airs, waters, and places. The father of modern medicine noted…

Epidemiology Definition

The study of the distribution and determinants of disease (des…

the study of the distribution, determin…

this approach to epidemiology is the in…

this approach to epidemiology can be us…

this approach to epidemiology is done b…

epidemiology

medical ecology

clinical epidemiology

descriptive epidemiology

the study of the distribution, determin…

epidemiology

this approach to epidemiology is the in…

medical ecology

Endemic

Sporadic

Epidemic

Pandemic

Constant presence of a disease in a population ... -Ex. Here Chic…

Occurring at irregular intervals or only in a few places: scat…

In a certain area... -A widespread occurring of an infection dise…

Global outbreak (all over the world)

Endemic

Constant presence of a disease in a population ... -Ex. Here Chic…

Sporadic

Occurring at irregular intervals or only in a few places: scat…

Prevalence

Incidence

Epidemiology

Internal Validity

Total number of people (old or new cases) with the disease... - p…

- Number of people with the dz for the first time... - Usually pe…

Studies dz and distribution of dz in population... Also studies R…

-the study proved what it set out... -

**Causality**... -Randomized co…Prevalence

Total number of people (old or new cases) with the disease... - p…

Incidence

- Number of people with the dz for the first time... - Usually pe…

Sensitivity (SN-N-OUT)

Specificity (SP-P-IN)

Positive predictive value (PPV)

Negative predictive value (NPV)

-a person with a disease will have a positive result on a give…

-a person without a disease will have a negative result on a t…

-a person with a positive test result has the disease (true po…

-a person with a negative test result is disease free. ... -A te…

Sensitivity (SN-N-OUT)

-a person with a disease will have a positive result on a give…

Specificity (SP-P-IN)

-a person without a disease will have a negative result on a t…

Likelihood that someone will become inf…

Where many people are infected at the s…

Large number of cases of a disease in a…

Affects multiple geographic areas at th…

Risk

...Epidemic

...outbreak

...pandemic

Likelihood that someone will become inf…

Risk

Where many people are infected at the s…

...Epidemic

Epidemiology definition

determinants are

distrubution refers to

morbidity designates

the study of the occurrence of health, disease, injury, accide…

factors or events that are capable of bringing about a change…

frequency of disease occurence may vary from one population gr…

illness, prevalence of a disease of of all disease in a popula…

Epidemiology definition

the study of the occurrence of health, disease, injury, accide…

determinants are

factors or events that are capable of bringing about a change…

observational epidemiology studies

descriptive epidemiology

analytical epideiology

experimental (clinical)

...

Examination of the distribution of disease in a population in…

analyzes a disease to determine is probable cause

...

observational epidemiology studies

...

descriptive epidemiology

Examination of the distribution of disease in a population in…

Incidence rate

Point prevalence rate

Period prevalence rate

Case Fatality Rate

# new cases of a specified disease reported during a given tim…

# current cases (new and old) of specific disease existing at…

# current cases (new and old) of a specific disease occurring…

# deaths assigned to a specific cause during a given time inte…

Incidence rate

# new cases of a specified disease reported during a given tim…

Point prevalence rate

# current cases (new and old) of specific disease existing at…

Incidence Rate

Prevalence

Attack Rate

Point Prevalence =

**In**cidence = Onset... - People who walk into the room... - New Case…

Prev

**al**ence ==>**ALL**... - people who enter, those in the room,…Incidence rate - Incidence rate where denominator is limited t…

At a particular

**point in time**... - Single InstanceIncidence Rate

**In**cidence = Onset... - People who walk into the room... - New Case…

Prevalence

Prev

**al**ence ==>**ALL**... - people who enter, those in the room,…Case fatality rate for a specific disea…

What is a system of close, continuous o…

Transmission from an individual to its…

I am an event who can disturb systemati…

the percenage of deaths within the affected cases during the s…

public health surveillance

vertical transmission

bias

Case fatality rate for a specific disea…

the percenage of deaths within the affected cases during the s…

What is a system of close, continuous o…

public health surveillance

Routine Data

Infant mortality

Strengths of vital statistics

Weaknesses of vital statistics

Information about a defined population collected in a consiste…

The number of children per 1000 live births who die in their f…

- Cheap and readily available... - Almost complete data... - Contemp…

- Not 100% complete... - Potential for bias - postmortem inflatio…

Routine Data

Information about a defined population collected in a consiste…

Infant mortality

The number of children per 1000 live births who die in their f…

Statistically significant

Not statistically significant

Narrow confidence interval. Less variab…

Set of minimal conditions and events th…

When p-value is less than or equal to 0.05 at 95% confidence l…

P-value is greater than 0.05 at 95% confidence level?

Large sample size means __ for a confidence interval?

Sufficient cause

Statistically significant

When p-value is less than or equal to 0.05 at 95% confidence l…

Not statistically significant

P-value is greater than 0.05 at 95% confidence level?

Population

Clue

Epidemiology

Disease Distribution

All the people in a particular group.

Something that helps to solve a problem or mystery.

The study of how and why diseases or other health-related cond…

The pattern of how a sickness is spread out among a group of p…

Population

All the people in a particular group.

Clue

Something that helps to solve a problem or mystery.

Counting cases is only useful if:

Prevalence

Equation for prevalence

Two ways to report prevalence

The population size stays constant... A constant FRACTION of the…

The proportion of the population that has the disease at one s…

Prevalence = total # of cases @ a given time / total populatio…

Specific Measure... Adjusted Measure

Counting cases is only useful if:

The population size stays constant... A constant FRACTION of the…

Prevalence

The proportion of the population that has the disease at one s…