State Cancer Profiles

Interpretation of Incidence Rates Data

Incidence Rate Report for Maryland by County

All Cancer Sites (All Stages^), 2015-2019

All Races (includes Hispanic), Both Sexes, Ages <65

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

Maryland⁶

• Rate : The incidence rate is 231.3 with a 95% confidence interval from 229.6 to 233.0 and 14,842 average annual cases over 2015-2019.
• CI*Rank⋔ : N/A
• Recent Trend : The trend is stable because the trend is -0.1 with a 95% confidence interval from -0.3 to 0.1.

US (SEER+NPCR)¹

• Rate : The incidence rate is 228.3 with a 95% confidence interval from 228.1 to 228.5 and 750,680 average annual cases over 2015-2019.
• CI*Rank⋔ : N/A
• Recent Trend : The trend is stable because the trend is -0.8 with a 95% confidence interval from -1.5 to 0.0.

Allegany County⁶

• Rate : The incidence rate is 279.4 with a 95% confidence interval from 261.8 to 297.9 and 208 average annual cases over 2015-2019.
• CI*Rank⋔ : 1 (1, 8)
• Recent Trend : The trend is rising because the trend is 1.0 with a 95% confidence interval from 0.1 to 1.8.

Worcester County⁶

• Rate : The incidence rate is 276.6 with a 95% confidence interval from 255.4 to 299.3 and 158 average annual cases over 2015-2019.
• CI*Rank⋔ : 2 (1, 12)
• Recent Trend : The trend is rising because the trend is 1.3 with a 95% confidence interval from 0.6 to 2.1.

Dorchester County⁶

• Rate : The incidence rate is 271.7 with a 95% confidence interval from 246.2 to 299.3 and 98 average annual cases over 2015-2019.
• CI*Rank⋔ : 3 (1, 16)
• Recent Trend : The trend is rising because the trend is 1.3 with a 95% confidence interval from 0.2 to 2.5.

Cecil County⁶

• Rate : The incidence rate is 264.3 with a 95% confidence interval from 250.3 to 278.9 and 300 average annual cases over 2015-2019.
• CI*Rank⋔ : 4 (1, 13)
• Recent Trend : The trend is rising because the trend is 0.9 with a 95% confidence interval from 0.2 to 1.6.

Wicomico County⁶

• Rate : The incidence rate is 263.8 with a 95% confidence interval from 249.1 to 279.2 and 266 average annual cases over 2015-2019.
• CI*Rank⋔ : 5 (1, 14)
• Recent Trend : The trend is stable because the trend is 0.4 with a 95% confidence interval from -0.3 to 1.2.

Carroll County⁶

• Rate : The incidence rate is 259.8 with a 95% confidence interval from 249.0 to 271.0 and 492 average annual cases over 2015-2019.
• CI*Rank⋔ : 6 (2, 13)
• Recent Trend : The trend is stable because the trend is 0.2 with a 95% confidence interval from -0.3 to 0.7.

Somerset County⁶

• Rate : The incidence rate is 257.8 with a 95% confidence interval from 229.5 to 288.8 and 67 average annual cases over 2015-2019.
• CI*Rank⋔ : 7 (1, 20)
• Recent Trend : The trend is rising because the trend is 2.5 with a 95% confidence interval from 0.6 to 4.5.

Queen Annes County⁶

• Rate : The incidence rate is 257.2 with a 95% confidence interval from 237.3 to 278.5 and 143 average annual cases over 2015-2019.
• CI*Rank⋔ : 8 (1, 18)
• Recent Trend : The trend is stable because the trend is -2.4 with a 95% confidence interval from -11.1 to 7.2.

Harford County⁶

• Rate : The incidence rate is 255.5 with a 95% confidence interval from 246.8 to 264.4 and 718 average annual cases over 2015-2019.
• CI*Rank⋔ : 9 (3, 14)
• Recent Trend : The trend is stable because the trend is 0.2 with a 95% confidence interval from -0.3 to 0.8.

Baltimore City⁶

• Rate : The incidence rate is 253.8 with a 95% confidence interval from 248.0 to 259.8 and 1,578 average annual cases over 2015-2019.
• CI*Rank⋔ : 10 (5, 14)
• Recent Trend : The trend is stable because the trend is -0.2 with a 95% confidence interval from -1.3 to 1.0.

Baltimore County⁶

• Rate : The incidence rate is 247.3 with a 95% confidence interval from 242.4 to 252.2 and 2,169 average annual cases over 2015-2019.
• CI*Rank⋔ : 11 (8, 16)
• Recent Trend : The trend is stable because the trend is 0.2 with a 95% confidence interval from -0.1 to 0.4.

Washington County⁶

• Rate : The incidence rate is 247.1 with a 95% confidence interval from 236.0 to 258.6 and 400 average annual cases over 2015-2019.
• CI*Rank⋔ : 12 (5, 18)
• Recent Trend : The trend is stable because the trend is 0.1 with a 95% confidence interval from -0.5 to 0.8.

Talbot County⁶

• Rate : The incidence rate is 242.4 with a 95% confidence interval from 218.9 to 267.9 and 96 average annual cases over 2015-2019.
• CI*Rank⋔ : 13 (2, 22)
• Recent Trend : The trend is stable because the trend is -0.3 with a 95% confidence interval from -1.3 to 0.7.

St. Marys County⁶

• Rate : The incidence rate is 239.0 with a 95% confidence interval from 226.3 to 252.2 and 283 average annual cases over 2015-2019.
• CI*Rank⋔ : 14 (7, 20)
• Recent Trend : The trend is stable because the trend is 0.1 with a 95% confidence interval from -0.7 to 0.9.

Kent County⁶

• Rate : The incidence rate is 238.7 with a 95% confidence interval from 206.7 to 274.6 and 51 average annual cases over 2015-2019.
• CI*Rank⋔ : 15 (1, 24)
• Recent Trend : The trend is stable because the trend is -0.2 with a 95% confidence interval from -1.5 to 1.1.

Frederick County⁶

• Rate : The incidence rate is 236.6 with a 95% confidence interval from 228.2 to 245.2 and 641 average annual cases over 2015-2019.
• CI*Rank⋔ : 16 (11, 20)
• Recent Trend : The trend is stable because the trend is 0.5 with a 95% confidence interval from -0.6 to 1.6.

Caroline County⁶

• Rate : The incidence rate is 235.8 with a 95% confidence interval from 212.9 to 260.5 and 86 average annual cases over 2015-2019.
• CI*Rank⋔ : 17 (3, 23)
• Recent Trend : The trend is stable because the trend is -0.4 with a 95% confidence interval from -1.3 to 0.5.

Anne Arundel County⁶

• Rate : The incidence rate is 232.9 with a 95% confidence interval from 227.3 to 238.6 and 1,413 average annual cases over 2015-2019.
• CI*Rank⋔ : 18 (13, 20)
• Recent Trend : The trend is stable because the trend is -0.7 with a 95% confidence interval from -1.4 to 0.0.

Garrett County⁶

• Rate : The incidence rate is 231.9 with a 95% confidence interval from 207.5 to 258.6 and 76 average annual cases over 2015-2019.
• CI*Rank⋔ : 19 (4, 24)
• Recent Trend : The trend is stable because the trend is 0.6 with a 95% confidence interval from -0.3 to 1.6.

Charles County⁶

• Rate : The incidence rate is 222.3 with a 95% confidence interval from 212.2 to 232.7 and 385 average annual cases over 2015-2019.
• CI*Rank⋔ : 20 (15, 23)
• Recent Trend : The trend is stable because the trend is -0.2 with a 95% confidence interval from -0.9 to 0.5.

Calvert County⁶

• Rate : The incidence rate is 215.6 with a 95% confidence interval from 202.6 to 229.3 and 229 average annual cases over 2015-2019.
• CI*Rank⋔ : 21 (16, 24)
• Recent Trend : The trend is stable because the trend is -0.8 with a 95% confidence interval from -1.6 to 0.0.

Howard County⁶

• Rate : The incidence rate is 212.2 with a 95% confidence interval from 205.2 to 219.5 and 720 average annual cases over 2015-2019.
• CI*Rank⋔ : 22 (19, 23)
• Recent Trend : The trend is stable because the trend is -0.4 with a 95% confidence interval from -0.9 to 0.1.

Prince Georges County⁶

• Rate : The incidence rate is 208.4 with a 95% confidence interval from 204.3 to 212.7 and 2,011 average annual cases over 2015-2019.
• CI*Rank⋔ : 23 (20, 23)
• Recent Trend : The trend is stable because the trend is -0.3 with a 95% confidence interval from -0.7 to 0.2.

Montgomery County⁶

• Rate : The incidence rate is 198.0 with a 95% confidence interval from 194.2 to 201.9 and 2,163 average annual cases over 2015-2019.
• CI*Rank⋔ : 24 (23, 24)
• Recent Trend : The trend is falling because the trend is -0.7 with a 95% confidence interval from -1.1 to -0.3.

Notes:
Created by statecancerprofiles.cancer.gov on 04/01/2023 5:16 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.