epidemology Flashcards
1
Q
Epidemiology Definition
A
Study of diseases in population
2
Q
3 aims of epidemiology
A
- Describe disease patterns in human population
- Identify the causes of disease
- Provide data for management, evaluation and prevention, control and treatment
3
Q
What is a study population
A
A group of people that all have some specific characteristics in common
4
Q
Who are the populations at rish
A
Group of people who would be counted as cases if the had the disease
5
Q
what happens if a sample size is too small
A
Chance for errors if the study population is not representative of the target population
6
Q
3 criteria cancer is measured by
A
- incidence
- mortality
- survival
7
Q
incidence definition
A
refers to the number of new cases of cancer that are registered in a particular period, usually one year
8
Q
mortality definition
A
number of people who die from malignant disease in a year
9
Q
survival
A
measures the number of persons alive at a specifies time after the diagnosis of cancer
