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Interactive Maps
Purpose: Provide maps of incidence and mortality statistics for use in assessing
the burden and risk for a major cancer site for the US overall or for
a selected state and its counties or parishes. The Healthy
People 2010 objective for the US is provided in the legend when appropriate
in order to give perspective on how favorably or unfavorably a location
compares to this overall goal.
The 95% Confidence Intervals for the rates provide a measure
of how certain or uncertain the point estimates are and can be used to
generally assess how different a rate is from another.
Cancer statistics require careful interpretation. See the information page about
interpret rankings
for insight into interpreting cancer statistics particularly if you are a new user of cancer statistics.
There are many possible explanations for geographic variations in cancer rates including
differences in lifestyles, medical care availability and delivery systems, screening practices,
reporting practices, environmental exposures, etc. Elevated rates in some areas may also be due
to chance, particularly for relatively rare cancers and in areas with small populations. For
more information on geographic variations and cancer clusters, see
http://www.cancer.gov/cancertopics/factsheet/Risk/clusters
and
http://www.cdc.gov/nceh/clusters/about_clusters.htm
The Quick Reference Guide provides an introduction to the interactive
features of this section
Data Sources:
- Mortality data are provided by the
National Vital Statistics System at the National Center for Health
Statistics of the Centers for Disease Control and Prevention.
- Population counts for denominators in the calculation of rates and
trends are provided to the National Cancer Institute by the U.S. Census
Bureau and use the National Center for Health Statistics file needed
to bridge from the Census 2000 multiple race coding to historical groupings
of race and ethnicity.
- Rates are calculated using SEER*Stat.
- Incidence data are provided by the National
Program of Cancer Registries Cancer Surveillance System (NPCR-CSS),
Centers for Disease Control and Prevention and by the National Cancer
Institute's Surveillance, Epidemiology,
and End Results (SEER) Program.
- Incidence rates are not available for some combinations of geography, cancer site, race and age.
Please see the data not available page for more
information.
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