Bladder cancer cannot be prevented, but you may be able to reduce some of your risk for getting it. 1  Stop smoking. Cigarette smokers are much more likely to get bladder cancer than nonsmokers. 2  Avoid exposure to industrial chemicals, such as benzene substances and arylamines.
A crude incidence, prevalence, or mortality (death rate) is one that relates to results for a population taken as a whole, without subdivision or refinement. The crude mortality from lung cancer in men in England and Wales during 1985-89 was 1034/million/year compared with 575/million/year during 1950-54.
INFORMATION POINT: Prevalence and. incidence. Prevalence is a frequently used epidemiological measure of how commonly a. disease or condition occurs in a population. Prevalence measures how much of. some disease or condition there is in a population at a particular point in time. The prevalence is calculated by dividing the number of persons with the disease. or condition at a particular time point by the number of individuals examined.