You can use a line chart like this to express the different rates of incontinence among home care patients by age. Line charts are especially helpful for displaying the relationship between two numerical values.
Text in this example:
Source: National Center for Health Statistics, Trends in Health and Aging. http://www.cdc.gov/nchs/agingact.htm. Accessed on 02/25/08 Incontinence among Home Care Patients, by Age
United States, 2000 Age 45-64 65-74 75-84 85 and over Rates per 1,000 0.0 10.0 20.0 30.0 Chart Title Bladder Bowels Both 0.6 3.1 10.3 27.2 0.5 1.5 6.7 18.2 0.3 0.9 4.5 13.2