# Study sets matching "epidemiology"

Study sets

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 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

epidemic

pandemic

Epidemiology

Characteristics of epidemiology

The occurrence in a community or region of cases of an illness…

An epidemic occurring worldwide, or over a very wide area, cro…

is concerned with the distribution and determinants of health…

population focus, distribution, determinants, outcomes, quanti…

epidemic

The occurrence in a community or region of cases of an illness…

pandemic

An epidemic occurring worldwide, or over a very wide area, cro…

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

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

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…

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…

epidemic

pandemic

Epidemiology

Characteristics of epidemiology

The occurrence in a community or region of cases of an illness…

An epidemic occurring worldwide, or over a very wide area, cro…

is concerned with the distribution and determinants of health…

population focus, distribution, determinants, outcomes, quanti…

epidemic

The occurrence in a community or region of cases of an illness…

pandemic

An epidemic occurring worldwide, or over a very wide area, cro…

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 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…

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…

Attack Rate

Endemic

Epidemic

Pandemic

number of people that become ill after exposure

disease confined to a specific region or population

an outbreak of disease that attacks many people at about the s…

When an epidemic spreads throughout the world.

Attack Rate

number of people that become ill after exposure

Endemic

disease confined to a specific region or population

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…

Epidemiology

disease

disease frequency

definition, counting system, calculatin…

"The study of the distribution and determinants of... disease fre…

This is defined as health-related states and events... including…

Epidemiology defines this measure as one that identifies and c…

What are the three components necessary to calculate disease f…

Epidemiology

"The study of the distribution and determinants of... disease fre…

disease

This is defined as health-related states and events... including…

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…

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…

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 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,…Pathology

Epidemiology

Infection

Disease

Study of diseases

the branch of medicine that deals with the incidence, distribu…

Contamination or invasion of body tissue by pathogenic organis…

Any change, other than an injury, that disrupts the normal fun…

Pathology

Study of diseases

Epidemiology

the branch of medicine that deals with the incidence, distribu…

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…

Simple random sampling

Systematic sampling

Nonprobability sampling (not random)-

convinience

-difficult to obtain in practice... -Do you have a list of people…

-takes every nth individual from a series... -every nth person yo…

-involve an element of convenience or feasibility- if possible…

-Just about all practical samples involve an element of conven…

Simple random sampling

-difficult to obtain in practice... -Do you have a list of people…

Systematic sampling

-takes every nth individual from a series... -every nth person yo…

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

**Epidimiology**

**Epidimiology in CHC**

**Foundations of epidimiology**

**Primary prevention**

Study of the

**distribution & dynamics**of disease in populatio…**Diagnoses**the health of a community... *Identifies high risk gr…

Levels of

**prevention**/natural history of disease... Epidemiologi…**Protective & health promotion**activities to avoid disease

**Epidimiology**

Study of the

**distribution & dynamics**of disease in populatio…**Epidimiology in CHC**

**Diagnoses**the health of a community... *Identifies high risk gr…

Prognosis

Survival analysis

Time-to-event data

Censored data

How long it takes for something to happen and time how certain…

A set of statistical techniques for examining the effects of f…

Unsuitable for analysis with standard methods like linear regr…

Some animals never experience the outcome... Some animals are wit…

Prognosis

How long it takes for something to happen and time how certain…

Survival analysis

A set of statistical techniques for examining the effects of f…