To understand of cancer, principle of cancer medicine to important thing. Because, its basic of cancer, specially effect of cancer. In this session, we start discussion about epidemiology of cancer.
Cancer epidemiology. Epidemiology is the study and comparison of the incidence of cancer in various populations or over time. Differences or changes in incidence are used to define groups at increased or decreased risk and to examine risk factors that might be responsible for these differences or changes.
Incidence and mortality rates
Incidence refers to the overall number of people developing cancer in a particular time frame, usually 1 year.
Incidence rate is the number of people developing cancer per 100,000 population per year. Incidence rates provide an estimate that a particular individual will develop cancer in a given time frame.
Mortality rate refers to the number of people dying from cancer per 100,000 population per year.
Case fatality rate is the percentage of people with a particular cancer who die from that cancer.
Prevalence is the number of cases of cancer in a population at a specific point in time.
