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Interpretation of Historical Trends Data

Historical Trends (1975-2016)

Mortality, Iowa, Breast, All Races (incl Hisp), All Ages, Female

Mortality, Iowa, Breast, All Races (incl Hisp), All Ages, Female

Line graph with 42 years and 2 segments
During 1975-1991, the APC1 in the rate of cancer was stable: 0.2 with a 95% confidence interval from -0.3 to 0.7.
During 1991-2016, the APC1 in the rate of cancer was falling: -2.3 with a 95% confidence interval from -2.5 to -2.0.
Yearly points:
In 1975, the observed rate was 31.4. The estimated rate was 30.4.
In 1976, the observed rate was 31.3. The estimated rate was 30.5.
In 1977, the observed rate was 31.8. The estimated rate was 30.5.
In 1978, the observed rate was 27.9. The estimated rate was 30.6.
In 1979, the observed rate was 31.0. The estimated rate was 30.7.
In 1980, the observed rate was 30.8. The estimated rate was 30.8.
In 1981, the observed rate was 29.9. The estimated rate was 30.8.
In 1982, the observed rate was 30.2. The estimated rate was 30.9.
In 1983, the observed rate was 30.4. The estimated rate was 31.0.
In 1984, the observed rate was 30.8. The estimated rate was 31.1.
In 1985, the observed rate was 32.3. The estimated rate was 31.1.
In 1986, the observed rate was 29.0. The estimated rate was 31.2.
In 1987, the observed rate was 32.2. The estimated rate was 31.3.
In 1988, the observed rate was 32.5. The estimated rate was 31.4.
In 1989, the observed rate was 32.7. The estimated rate was 31.4.
In 1990, the observed rate was 31.0. The estimated rate was 31.5.
In 1991, the observed rate was 32.1. The estimated rate was 31.6.
In 1992, the observed rate was 33.0. The estimated rate was 30.9.
In 1993, the observed rate was 30.2. The estimated rate was 30.2.
In 1994, the observed rate was 30.7. The estimated rate was 29.5.
In 1995, the observed rate was 27.5. The estimated rate was 28.8.
In 1996, the observed rate was 28.9. The estimated rate was 28.1.
In 1997, the observed rate was 25.7. The estimated rate was 27.5.
In 1998, the observed rate was 28.5. The estimated rate was 26.9.
In 1999, the observed rate was 25.8. The estimated rate was 26.3.
In 2000, the observed rate was 23.7. The estimated rate was 25.7.
In 2001, the observed rate was 24.0. The estimated rate was 25.1.
In 2002, the observed rate was 25.0. The estimated rate was 24.5.
In 2003, the observed rate was 23.2. The estimated rate was 23.9.
In 2004, the observed rate was 22.4. The estimated rate was 23.4.
In 2005, the observed rate was 21.2. The estimated rate was 22.9.
In 2006, the observed rate was 22.6. The estimated rate was 22.3.
In 2007, the observed rate was 20.4. The estimated rate was 21.8.
In 2008, the observed rate was 23.5. The estimated rate was 21.3.
In 2009, the observed rate was 20.9. The estimated rate was 20.8.
In 2010, the observed rate was 19.4. The estimated rate was 20.4.
In 2011, the observed rate was 19.5. The estimated rate was 19.9.
In 2012, the observed rate was 20.2. The estimated rate was 19.5.
In 2013, the observed rate was 18.6. The estimated rate was 19.0.
In 2014, the observed rate was 19.1. The estimated rate was 18.6.
In 2015, the observed rate was 18.5. The estimated rate was 18.1.
In 2016, the observed rate was 19.1. The estimated rate was 17.7.

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