Invasive Breast Cancer Incidence by Age at Diagnosis for Females,
Berrien County Health Department,
Michigan Residents, 1985 - 2020
Year of
Diagnosis
Less than 50 50 - 74 75 and Older
Average
Number
Age-specific
Rate
Average
Number
Age-specific
Rate
Average
Number
Age-specific
Rate
2018-2020 21   45.4 ±11.3 83   317.6 ±38.1 27   346.2 ±73.1
2017-2019 21   46.7 ±11.4 85   328.1 ±38.6 27   344.6 ±72.8
2016-2018 19   40.5 ±10.6 84   322.1 ±38.4 26   345.7 ±73.5
2015-2017 16   35.1 ±9.8 84   325.4 ±38.6 32   421.6 ±80.8
2014-2016 14   29.6 ±9.0 81   315.3 ±38.1 29   381.8 ±77.4
2013-2015 15   30.8 ±9.1 83   322.3 ±38.6 30   399.1 ±78.9
2012-2014 22   46.0 ±11.0 82   322.6 ±38.8 28   371.1 ±76.2
2011-2013 24   50.4 ±11.5 83   331.8 ±39.5 32   424.6 ±81.0
2010-2012 25   51.9 ±11.6 80   322.2 ±39.3 31   411.1 ±79.8
2009-2011 20   41.0 ±10.3 76   312.9 ±39.1 35   468.0 ±84.4
2008-2010 23   45.2 ±10.7 79   331.8 ±40.6 34   452.7 ±83.0
2007-2009 24   48.0 ±10.9 83   354.7 ±42.3 37   488.1 ±85.8
2006-2008 23   44.8 ±10.5 78   339.9 ±41.9 30   401.2 ±78.8
2005-2007 21   41.0 ±10.0 66   294.1 ±39.6 27   360.1 ±75.4
2004-2006 23   43.4 ±10.2 63   287.3 ±39.5 20   271.9 ±66.5
2003-2005 24   44.5 ±10.2 65   298.4 ±40.6 20   264.9 ±65.9
2002-2004 26   48.1 ±10.6 74   347.8 ±43.9 24   331.6 ±73.5
2001-2003 24   42.7 ±9.9 77   369.4 ±45.5 30   417.4 ±81.8
2000-2002 26   46.9 ±10.3 80   385.7 ±46.7 38   521.5 ±90.5
1999-2001 25   44.6 ±10.0 81   395.8 ±47.6 36   495.7 ±88.7
1998-2000 29   50.7 ±10.6 82   405.7 ±48.4 35   494.8 ±89.0
1997-1999 30   52.1 ±10.7 80   400.7 ±48.4 32   458.8 ±86.7
1996-1998 32   55.6 ±11.0 77   390.4 ±48.2 34   486.2 ±89.7
1995-1997 29   49.3 ±10.3 71   364.4 ±46.9 34   497.1 ±91.6
1994-1996 27   45.6 ±9.9 76   390.6 ±48.5 32   487.4 ±91.7
1993-1995 24   39.8 ±9.2 72   370.4 ±47.4 35   538.6 ±96.8
1992-1994 26   44.3 ±9.7 76   396.2 ±48.9 33   518.0 ±96.1
1991-1993 23   37.9 ±9.0 73   381.8 ±48.2 31   502.8 ±96.0
1990-1992 22   37.3 ±8.9 74   384.0 ±48.4 26   431.6 ±90.7
1989-1991 20   33.8 ±8.5 69   360.2 ±46.9 25   423.5 ±90.9
1988-1990 23   38.7 ±9.1 79   406.7 ±49.4 26   436.9 ±93.0
1987-1989 26   42.5 ±9.4 76   392.9 ±48.6 27   474.6 ±97.4
1986-1988 25   41.8 ±9.4 73   375.0 ±47.5 27   484.4 ±99.3
1985-1987 24   39.6 ±9.1 59   302.5 ±43.0 24   438.7 ±95.9

 

Notes: Age-specific Rate is per 100,000 population in a specific age group.  Adding and subtracting the number shown after the ± symbol from the rate creates a confidence interval indicating that the true rate lies between the lower and upper bounds of this interval with 95% statistical confidence.

COVID-19 Pandemic: In 2020, the highly publicized impact of the COVID-19 pandemic on health services and the consequential delays and reductions in cancer screening and diagnosis led to a decline in the 2020 incidence rates for most cancer sites. Because 2020 was a temporary, anomalous year, it can bias estimates such as cancer incidence trends.

Average Number is the number of new invasive cancer cases diagnosed in the period, divided by the number of years in the period.

Case
: A case is defined as a person with any newly diagnosed cancer with a behavior code of 3 (malignant primary site). Both in-situ and invasive urinary bladder cancer cases are included, in order to be consistent with national tabulations from the National Cancer Institute.
Source: Michigan Resident Cancer Incidence File. Updated with cases processed through November 30, 2022. Division for Vital Records & Health Statistics, Michigan Department of Health & Human Services.
Last Updated: April 13, 2023