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RECTUM
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Incidence and Mortality Summary |
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| Male | Female | Total | |||
| Age-adjusted incidence rate per 100,000 # of new invasive cases # of new in-situ cases # of deaths |
13.6 83 6 29 |
9.3 68 5 15 |
11.2 |
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Total Cases by County |
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| Ada Adams Bannock Bear Lake Benewah Bingham Blaine Boise Bonner Bonneville Boundary Butte Camas Canyon Caribou |
33 0 8 1 3 2 3 0 5 4 1 0 0 12 1 |
Cassia Clark Clearwater Custer Elmore Franklin Fremont Gem Gooding Idaho Jefferson Jerome Kootenai Latah Lemhi |
3 1 1 2 3 0 1 4 2 1 4 4 18 2 4 |
Lewis Lincoln Madison Minidoka Nez Perce Oneida Owyhee Payette Power Shoshone Teton Twin Falls Valley Washington Unknown |
0 1 3 2 14 0 0 3 1 2 2 7 1 3 |
| Age | Rates increase with age and the vast majority of cases occur after age 50. |
| Gender | Incidence rates are higher in males. |
| Genetics | Specific genetic alterations have been recognized in several hereditary conditions with high risk of rectal cancer. These conditions account for about six percent of rectal cancer cases. |
| Diet | Strong evidence exists that diets high in fat and low in fiber contribute to increased risk of rectal cancer. |
| Other | Individuals with a close family history of this cancer and those with a personal history of certain other cancers are at increased risk. Regular, moderate physical activity is associated with lower rates of this cancer. |
| Mean age-adjusted incidence rate across
health districts: 95% confidence interval on the mean age-adjusted incidence rate: Median age-adjusted incidence rate of health districts: Range of age-adjusted incidence rate for health districts: SEER rate (1991-1995): |
11.2 9.9 12.0 8.2-13.1 12.4 |
There were no cases of rectal cancer among persons aged less
than 25 years. The age-specific incidence rates of rectal cancer generally increased
with age, peaking in the 85+ age group for males and 70-74 age group for females.
No health districts had significantly more cases than expected based upon rates
for the remainder of Idaho.
