Table New-A
Invasive Breast Cancer Incidence by Age at Diagnosis for Females,
Michigan Residents, 1985 - 2018
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
2016-2018 1,308   42.5 ±1.3 5,011   317.2 ±4.9 1,656   406.4 ±10.7
2015-2017 1,293   41.9 ±1.3 4,888   311.3 ±4.8 1,614   403.3 ±10.8
2014-2016 1,290   41.6 ±1.3 4,895   314.7 ±4.9 1,566   395.0 ±10.8
2013-2015 1,310   42.0 ±1.3 4,825   314.1 ±4.9 1,558   395.4 ±10.8
2012-2014 1,363   43.4 ±1.3 4,786   316.4 ±5.0 1,555   396.0 ±10.8
2011-2013 1,410   44.6 ±1.3 4,685   315.4 ±5.0 1,600   408.7 ±11.0
2010-2012 1,396   43.8 ±1.3 4,491   308.5 ±5.0 1,553   397.6 ±10.9
2009-2011 1,394   43.2 ±1.3 4,340   304.8 ±5.0 1,549   397.6 ±10.9
2008-2010 1,427   43.7 ±1.3 4,143   298.0 ±5.0 1,546   397.3 ±10.9
2007-2009 1,476   44.4 ±1.3 4,077   300.7 ±5.1 1,587   408.0 ±11.0
2006-2008 1,526   45.1 ±1.3 3,939   298.3 ±5.2 1,574   404.9 ±11.0
2005-2007 1,567   45.7 ±1.3 3,901   303.2 ±5.3 1,573   406.4 ±11.0
2004-2006 1,608   46.3 ±1.3 3,829   305.2 ±5.4 1,562   406.1 ±11.1
2003-2005 1,619   46.1 ±1.3 3,789   309.4 ±5.5 1,593   416.9 ±11.2
2002-2004 1,588   44.9 ±1.3 3,887   325.0 ±5.7 1,626   428.6 ±11.4
2001-2003 1,570   44.2 ±1.2 3,967   339.1 ±5.8 1,663   442.4 ±11.6
2000-2002 1,552   43.5 ±1.2 4,046   353.2 ±6.0 1,693   455.5 ±11.8
1999-2001 1,563   43.7 ±1.2 3,995   355.7 ±6.1 1,704   464.1 ±12.0
1998-2000 1,555   43.4 ±1.2 3,939   357.3 ±6.2 1,698   468.4 ±12.1
1997-1999 1,559   43.4 ±1.2 3,865   356.7 ±6.2 1,660   465.0 ±12.2
1996-1998 1,543   42.9 ±1.2 3,759   353.0 ±6.2 1,597   455.5 ±12.2
1995-1997 1,511   42.1 ±1.2 3,709   353.1 ±6.3 1,575   459.2 ±12.4
1994-1996 1,468   41.0 ±1.2 3,617   348.1 ±6.3 1,527   455.7 ±12.5
1993-1995 1,431   40.2 ±1.2 3,597   348.4 ±6.3 1,541   470.7 ±12.8
1992-1994 1,422   40.1 ±1.2 3,577   349.4 ±6.3 1,525   476.7 ±13.0
1991-1993 1,420   40.2 ±1.2 3,634   358.0 ±6.4 1,582   507.2 ±13.5
1990-1992 1,408   40.0 ±1.2 3,699   367.0 ±6.5 1,597   526.7 ±14.0
1989-1991 1,373   39.3 ±1.2 3,644   363.0 ±6.5 1,538   521.8 ±14.1
1988-1990 1,307   37.6 ±1.2 3,591   358.2 ±6.5 1,429   498.3 ±14.0
1987-1989 1,255   36.3 ±1.1 3,498   348.7 ±6.4 1,310   468.4 ±13.8
1986-1988 1,215   35.3 ±1.1 3,420   340.6 ±6.3 1,222   448.0 ±13.7
1985-1987 1,188   34.7 ±1.1 3,292   328.0 ±6.2 1,147   430.4 ±13.6

 

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.

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, 2020. Division for Vital Records & Health Statistics, Michigan Department of Health & Human Services.
Last Updated: May 20, 2021
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