Table 16-A
Invasive Breast Cancer Incidence by Age at Diagnosis for Females,
Michigan Residents, 1985 - 2015
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
2013-2015 1,297   41.7 ±1.3 4,791   312.1 ±4.9 1,538   389.9 ±10.7
2012-2014 1,363   43.5 ±1.3 4,786   316.6 ±5.0 1,552   395.2 ±10.8
2011-2013 1,409   44.6 ±1.3 4,686   315.7 ±5.0 1,600   408.9 ±11.0
2010-2012 1,393   43.7 ±1.3 4,490   308.5 ±5.0 1,551   397.2 ±10.9
2009-2011 1,392   43.2 ±1.3 4,339   304.7 ±5.0 1,547   397.1 ±10.9
2008-2010 1,426   43.6 ±1.3 4,142   297.9 ±5.0 1,545   396.9 ±10.9
2007-2009 1,476   44.4 ±1.3 4,075   300.5 ±5.1 1,587   407.9 ±11.0
2006-2008 1,525   45.1 ±1.3 3,938   298.2 ±5.2 1,574   405.0 ±11.0
2005-2007 1,565   45.6 ±1.3 3,902   303.3 ±5.3 1,573   406.4 ±11.0
2004-2006 1,606   46.2 ±1.3 3,830   305.3 ±5.4 1,562   406.1 ±11.1
2003-2005 1,618   46.1 ±1.3 3,790   309.5 ±5.5 1,593   416.9 ±11.2
2002-2004 1,589   45.0 ±1.3 3,887   325.0 ±5.7 1,626   428.6 ±11.4
2001-2003 1,571   44.2 ±1.2 3,967   339.1 ±5.8 1,663   442.5 ±11.6
2000-2002 1,552   43.5 ±1.2 4,045   353.1 ±6.0 1,693   455.5 ±11.8
1999-2001 1,564   43.7 ±1.2 3,996   355.8 ±6.1 1,704   464.1 ±12.0
1998-2000 1,555   43.4 ±1.2 3,940   357.4 ±6.2 1,698   468.4 ±12.1
1997-1999 1,559   43.4 ±1.2 3,867   356.8 ±6.2 1,660   465.2 ±12.2
1996-1998 1,543   42.9 ±1.2 3,759   353.0 ±6.2 1,597   455.6 ±12.2
1995-1997 1,511   42.1 ±1.2 3,709   353.1 ±6.3 1,575   459.4 ±12.4
1994-1996 1,467   41.0 ±1.2 3,617   348.1 ±6.3 1,527   455.7 ±12.5
1993-1995 1,430   40.1 ±1.2 3,597   348.4 ±6.3 1,541   470.7 ±12.8
1992-1994 1,421   40.0 ±1.2 3,576   349.3 ±6.3 1,525   476.7 ±13.0
1991-1993 1,420   40.1 ±1.2 3,634   358.0 ±6.4 1,582   507.2 ±13.5
1990-1992 1,407   40.0 ±1.2 3,698   366.9 ±6.5 1,597   526.7 ±14.0
1989-1991 1,373   39.3 ±1.2 3,643   362.9 ±6.5 1,538   521.8 ±14.1
1988-1990 1,307   37.6 ±1.2 3,591   358.1 ±6.5 1,429   498.3 ±14.0
1987-1989 1,255   36.3 ±1.1 3,497   348.5 ±6.4 1,310   468.4 ±13.8
1986-1988 1,214   35.2 ±1.1 3,419   340.5 ±6.3 1,222   448.0 ±13.7
1985-1987 1,187   34.6 ±1.1 3,290   327.7 ±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, 2017. Division for Vital Records & Health Statistics, Michigan Department of Health & Human Services.
Last Updated: October 31, 2018
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