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Incidence Rates Table

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Incidence Rate Report for Massachusetts by County

Breast (All Stages^), 2017-2021

All Races (includes Hispanic), Female, All Ages

Sorted by Rate
County
 sort alphabetically by name ascending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Age-Adjusted Incidence Rate
cases per 100,000
(95% Confidence Interval)
 sort by rate ascending
CI*Rank
(95% Confidence Interval)
 sort by CI rank descending
Average Annual Count
 sort by count descending
Recent Trend
Recent 5-Year Trend in Incidence Rates
(95% Confidence Interval)
 sort by trend descending
Massachusetts 7 N/A 136.2 (134.6, 137.8) N/A 6,098 rising rising trend 0.3 (0.1, 0.7)
US (SEER+NPCR) 1 N/A 129.8 (129.5, 130.0) N/A 258,398 rising rising trend 0.6 (0.4, 0.8)
Nantucket County 7 Rural 170.1 (130.9, 217.7) 1 (1, 12) 14 stable stable trend -0.4 (-2.4, 1.8)
Norfolk County 7 Urban 147.4 (142.4, 152.6) 2 (1, 6) 695 stable stable trend 0.8 (-0.9, 2.4)
Barnstable County 7 Urban 145.0 (136.4, 154.1) 3 (1, 8) 312 stable stable trend -0.3 (-0.9, 0.3)
Plymouth County 7 Urban 144.4 (138.6, 150.3) 4 (1, 8) 523 stable stable trend 0.8 (-2.8, 3.4)
Middlesex County 7 Urban 142.2 (138.8, 145.6) 5 (2, 8) 1,407 stable stable trend 0.3 (-2.0, 1.8)
Essex County 7 Urban 139.2 (134.6, 144.0) 6 (3, 9) 741 stable stable trend 0.6 (-0.7, 2.3)
Berkshire County 7 Urban 134.6 (123.4, 146.6) 7 (2, 13) 134 rising rising trend 9.0 (0.4, 13.7)
Franklin County 7 Rural 134.5 (120.0, 150.5) 8 (2, 13) 74 stable stable trend -0.2 (-2.3, 1.8)
Worcester County 7 Urban 132.2 (127.7, 136.8) 9 (6, 12) 710 stable stable trend 0.5 (0.0, 0.9)
Hampden County 7 Urban 132.2 (126.2, 138.4) 10 (6, 12) 399 stable stable trend 0.0 (-0.4, 0.4)
Dukes County 7 Rural 126.4 (99.4, 159.1) 11 (1, 14) 19 stable stable trend -0.5 (-3.7, 2.9)
Bristol County 7 Urban 124.2 (119.0, 129.6) 12 (9, 13) 467 stable stable trend 0.0 (-0.5, 0.5)
Hampshire County 7 Urban 122.7 (112.7, 133.5) 13 (8, 14) 127 stable stable trend -0.3 (-1.4, 0.7)
Suffolk County 7 Urban 115.3 (110.6, 120.2) 14 (12, 14) 476 stable stable trend -0.6 (-1.1, 0.0)
Notes:
Created by statecancerprofiles.cancer.gov on 10/10/2024 12:41 am.

State Cancer Registries may provide more current or more local data.
Trend
Rising when 95% confidence interval of average annual percent change is above 0.
Stable when 95% confidence interval of average annual percent change includes 0.
Falling when 95% confidence interval of average annual percent change is below 0.

† 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 Population Data File is used for SEER and NPCR incidence rates.
‡ Incidence data come from different sources. The Average Annual Percent Change (AAPC) is based on the APCs calculated by Joinpoint. Due to data availability issues, the time period used in the calculation of the joinpoint regression model may differ for selected counties.

Rates and trends are computed using different standards for malignancy. For more information see malignant.html.

^ All Stages refers to any stage in the Surveillance, Epidemiology, and End Results (SEER) Summary/Historic Combined Summary Stage (2004+).
⋔ Results presented with the CI*Rank statistics help show the usefulness of ranks. For example, ranks for relatively rare diseases or less populated areas may be essentially meaningless because of their large variability, but ranks for more common diseases in densely populated regions can be very useful. More information about methodology can be found on the CI*Rank website.

Φ Rural-Urban Continuum Codes provided by the USDA.
1 Source: National Program of Cancer Registries and Surveillance, Epidemiology, and End Results SEER*Stat Database - United States Department of Health and Human Services, Centers for Disease Control and Prevention and National Cancer Institute. Based on the 2023 submission.
7 Source: SEER November 2023 submission.
8 Source: Incidence data provided by the SEER Program. AAPCs are calculated by the Joinpoint Regression Program and are based on APCs. Data 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. Population counts for denominators are based on Census populations as modified by NCI. The US Population Data File is used with SEER November 2023 data.

Data for the United States does not include data from Indiana.
Data for the United States does not include Puerto Rico.

When displaying county information, the CI*Rank for the state is not shown because it's not comparable. To see the state CI*Rank please view the statistics at the US By State level.

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