State Cancer Profiles

Interpretation of Incidence Rates Data

Incidence Rate Report for Maine by County

Breast (in situ) (All Stages^), 2015-2019

All Races (includes Hispanic), Female, All Ages

Sorted by Rate

Explanation of Column Headers

Objective - The objective of *** is from the Healthy People 2020 project done by the Centers for Disease Control and Prevention.

Incidence Rate (95% Confidence Interval) - The incidence rate is based upon 100,000 people and is an annual rate (or average annual rate) based on the time period indicated. Rates are age-adjusted by 5-year age groups to the 2000 U.S. standard million population.

Recent Trends - This is an interpretation of the AAPC/APC:

• Rising when 95% confidence interval of AAPC/APC is above 0.
• Stable when 95% confidence interval of AAPC/APC includes 0.
• Falling when 95% confidence interval of AAPC/APC is below 0.

AAPC/APC (95% Confidence Interval) - the change in rate over time

• Average Annual Percent Change - AAPCs are based upon APCs that were calculated by Joinpoint Regression Program
• Annual Percent Change - APCs calculated in SEER*Stat.

Other Notes

• Larger confidence intervals indicate less stability of the data. This is often due to low counts that are not quite low enough to be suppressed.
• Data is currently being suppressed if there are fewer than 16 counts for the time period.

Line by Line Interpretation of the Report

Maine⁶

• Rate : The incidence rate is 28.1 with a 95% confidence interval from 26.5 to 29.7 and 266 average annual cases over 2015-2019.
• CI*Rank⋔ : N/A
• Recent Trend : The trend is falling because the trend is -1.9 with a 95% confidence interval from -2.7 to -1.1.

US (SEER+NPCR)¹

• Rate : The incidence rate is 29.4 with a 95% confidence interval from 29.3 to 29.5 and 57,125 average annual cases over 2015-2019.
• CI*Rank⋔ : N/A
• Recent Trend : The trend is falling because the trend is -0.9 with a 95% confidence interval from -1.4 to -0.4.

Penobscot County⁶

• Rate : The incidence rate is 38.1 with a 95% confidence interval from 32.4 to 44.6 and 36 average annual cases over 2015-2019.
• CI*Rank⋔ : 1 (1, 6)
• Recent Trend : The trend is stable because the trend is -0.9 with a 95% confidence interval from -3.2 to 1.5.

Oxford County⁶

• Rate : The incidence rate is 36.5 with a 95% confidence interval from 28.2 to 46.8 and 15 average annual cases over 2015-2019.
• CI*Rank⋔ : 2 (1, 8)
• Recent Trend : The trend is stable because the trend is 0.9 with a 95% confidence interval from -2.6 to 4.5.

Piscataquis County⁶

• Rate : The incidence rate is 34.7 with a 95% confidence interval from 20.0 to 57.1 and 4 average annual cases over 2015-2019.
• CI*Rank⋔ : 3 (1, 15)
• Recent Trend : The trend is stable because the trend is -1.4 with a 95% confidence interval from -5.6 to 3.0.

Lincoln County⁶

• Rate : The incidence rate is 33.0 with a 95% confidence interval from 22.9 to 46.6 and 9 average annual cases over 2015-2019.
• CI*Rank⋔ : 4 (1, 12)
• Recent Trend : The trend is stable because the trend is -0.3 with a 95% confidence interval from -4.6 to 4.1.

York County⁶

• Rate : The incidence rate is 32.2 with a 95% confidence interval from 28.1 to 36.9 and 49 average annual cases over 2015-2019.
• CI*Rank⋔ : 5 (1, 8)
• Recent Trend : The trend is stable because the trend is -0.7 with a 95% confidence interval from -2.5 to 1.2.

Cumberland County⁶

• Rate : The incidence rate is 30.8 with a 95% confidence interval from 27.4 to 34.7 and 62 average annual cases over 2015-2019.
• CI*Rank⋔ : 6 (2, 9)
• Recent Trend : The trend is falling because the trend is -2.7 with a 95% confidence interval from -4.4 to -1.0.

Franklin County⁶

• Rate : The incidence rate is 30.4 with a 95% confidence interval from 20.6 to 44.0 and 7 average annual cases over 2015-2019.
• CI*Rank⋔ : 7 (1, 14)
• Recent Trend : The trend is stable because the trend is 0.3 with a 95% confidence interval from -2.5 to 3.3.

Androscoggin County⁶

• Rate : The incidence rate is 25.6 with a 95% confidence interval from 20.2 to 32.0 and 17 average annual cases over 2015-2019.
• CI*Rank⋔ : 8 (4, 14)
• Recent Trend : The trend is stable because the trend is -1.6 with a 95% confidence interval from -4.3 to 1.2.

Waldo County⁶

• Rate : The incidence rate is 24.8 with a 95% confidence interval from 17.1 to 35.3 and 8 average annual cases over 2015-2019.
• CI*Rank⋔ : 9 (2, 16)
• Recent Trend : The trend is stable because the trend is -3.5 with a 95% confidence interval from -7.0 to 0.1.

Aroostook County⁶

• Rate : The incidence rate is 22.6 with a 95% confidence interval from 16.7 to 30.1 and 12 average annual cases over 2015-2019.
• CI*Rank⋔ : 10 (5, 16)
• Recent Trend : The trend is falling because the trend is -3.4 with a 95% confidence interval from -5.9 to -0.9.

Hancock County⁶

• Rate : The incidence rate is 21.9 with a 95% confidence interval from 15.4 to 30.5 and 9 average annual cases over 2015-2019.
• CI*Rank⋔ : 11 (5, 16)
• Recent Trend : The trend is falling because the trend is -3.2 with a 95% confidence interval from -6.1 to -0.3.

Knox County⁶

• Rate : The incidence rate is 20.6 with a 95% confidence interval from 13.5 to 30.6 and 6 average annual cases over 2015-2019.
• CI*Rank⋔ : 12 (5, 16)
• Recent Trend : The trend is stable because the trend is -2.9 with a 95% confidence interval from -7.1 to 1.5.

Kennebec County⁶

• Rate : The incidence rate is 18.4 with a 95% confidence interval from 14.5 to 23.3 and 16 average annual cases over 2015-2019.
• CI*Rank⋔ : 13 (9, 16)
• Recent Trend : The trend is falling because the trend is -8.6 with a 95% confidence interval from -12.1 to -4.9.

Washington County⁶

• Rate : The incidence rate is 17.5 with a 95% confidence interval from 10.7 to 28.0 and 5 average annual cases over 2015-2019.
• CI*Rank⋔ : 14 (7, 16)
• Recent Trend : The trend is stable because the trend is -3.3 with a 95% confidence interval from -7.0 to 0.6.

Somerset County⁶

• Rate : The incidence rate is 17.1 with a 95% confidence interval from 11.5 to 25.0 and 6 average annual cases over 2015-2019.
• CI*Rank⋔ : 15 (8, 16)
• Recent Trend : The trend is falling because the trend is -4.8 with a 95% confidence interval from -8.9 to -0.6.

Sagadahoc County⁶

• Rate : The incidence rate is 16.7 with a 95% confidence interval from 9.8 to 27.0 and 4 average annual cases over 2015-2019.
• CI*Rank⋔ : 16 (7, 16)
• Recent Trend : The trend is falling because the trend is -4.8 with a 95% confidence interval from -9.2 to -0.2.

Notes:
Created by statecancerprofiles.cancer.gov on 06/05/2023 2:57 am.

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 Population Data File is used for SEER and NPCR incidence rates.
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 stage.

Source: SEER and NPCR data. For more specific information please see the table.

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.

Data for the United States does not include data from Nevada.
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.