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Incidence Rate Report for Maryland by County

All Races (includes Hispanic), Female, Breast, All Ages
Sorted by Count
County
sort sort alphabetically by nameascending
Annual Incidence Rate
over rate period
(95% Confidence Interval)

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Average Annual Count
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Rate Period
Maryland 6 124.8 (123.1, 126.6) 4,024 2005-2009
US (SEER+NPCR) 1 122.0 (121.8, 122.2)
§
2005-2009
Montgomery County 6 128.0 (123.8, 132.3) 715 2005-2009
Baltimore County 6 133.9 (129.3, 138.6) 657 2005-2009
Prince Georges County 6 117.0 (112.4, 121.8) 510 2005-2009
Baltimore City 6 110.9 (106.0, 115.9) 404 2005-2009
Anne Arundel County 6 125.0 (119.2, 131.1) 355 2005-2009
Howard County 6 131.0 (122.7, 139.8) 192 2005-2009
Harford County 6 129.0 (120.6, 138.0) 176 2005-2009
Frederick County 6 128.5 (119.4, 138.1) 153 2005-2009
Carroll County 6 130.8 (120.7, 141.5) 127 2005-2009
Washington County 6 115.6 (105.5, 126.5) 97 2005-2009
Charles County 6 105.6 (94.9, 117.2) 74 2005-2009
Wicomico County 6 125.6 (112.5, 139.9) 69 2005-2009
Cecil County 6 121.3 (108.4, 135.3) 65 2005-2009
Calvert County 6 127.1 (112.7, 142.8) 59 2005-2009
St. Marys County 6 120.0 (106.5, 134.7) 59 2005-2009
Allegany County 6 113.1 (99.6, 128.0) 56 2005-2009
Worcester County 6 140.0 (122.4, 159.7) 52 2005-2009
Talbot County 6 131.1 (112.0, 153.1) 39 2005-2009
Queen Annes County 6 115.8 (98.5, 135.5) 33 2005-2009
Caroline County 6 139.3 (116.4, 165.5) 27 2005-2009
Dorchester County 6 116.5 (96.8, 139.2) 26 2005-2009
Garrett County 6 119.8 (98.9, 144.2) 24 2005-2009
Kent County 6 139.5 (112.1, 172.3) 20 2005-2009
Somerset County 6 106.7 (84.2, 133.7) 16 2005-2009
Notes:
Created by statecancerprofiles.cancer.gov on 05/23/2013 9:51 pm.
State Cancer Registries may provide more current or more local data.
† Incidence rates (cases per 100,000 population per year) are age-adjusted to the 2000 US standard population (19 age groups: <1, 1-4, 5-9, ... , 80-84, 85+). Rates are for invasive cancer only (except for bladder cancer which is invasive and in situ) or unless otherwise specified. Rates calculated using SEER*Stat. Population counts for denominators are based on Census populations as modified by NCI. The US populations included with the data release have been adjusted for the population shifts due to hurricanes Katrina and Rita for 62 counties and parishes in Alabama, Mississippi, Louisiana, and Texas. The 1969-2009 US Population Data File is used for SEER and NPCR incidence rates.
§ Because of the impact on Louisiana's population for the July - December 2005 time period due to Hurricanes Katrina/Rita, SEER excluded Louisiana cases diagnosed for that six month time period. The count has been suppressed due to data consistency issues.

1 Source: CDC's National Program of Cancer Registries Cancer Surveillance System (NPCR-CSS) January 2012 data submission and SEER November 2011 submission.
6 Source: State Cancer Registry and the CDC's National Program of Cancer Registries Cancer Surveillance System (NPCR-CSS) January 2012 data submission. State rates include rates from metropolitan areas funded by SEER.

Interpret Rankings provides insight into interpreting cancer incidence statistics. When the population size for a denominator is small, the rates may be unstable. A rate is unstable when a small change in the numerator (e.g., only one or two additional cases) has a dramatic effect on the calculated rate.

Suppression is used to avoid misinterpretation when rates are unstable.
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