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Interpretation of Historical Trends Data

Historical Trends (1975-2016)

Incidence, Iowa, Bladder, All Races (incl Hisp), All Ages, Both Sexes

Incidence, Iowa, Bladder, All Races (incl Hisp), All Ages, Both Sexes

Line graph with 42 years and 4 segments
During 1975-1991, the APC1 in the rate of cancer was rising: 0.9 with a 95% confidence interval from 0.6 to 1.3.
During 1991-1994, the APC1 in the rate of cancer was stable: -2.7 with a 95% confidence interval from -11.1 to 6.4.
During 1994-2004, the APC1 in the rate of cancer was rising: 1.8 with a 95% confidence interval from 1.0 to 2.6.
During 2004-2016, the APC1 in the rate of cancer was falling: -0.9 with a 95% confidence interval from -1.4 to -0.5.
Yearly points:
In 1975, the observed rate was 18.1. The estimated rate was 18.7.
In 1976, the observed rate was 19.5. The estimated rate was 18.9.
In 1977, the observed rate was 19.0. The estimated rate was 19.0.
In 1978, the observed rate was 18.7. The estimated rate was 19.2.
In 1979, the observed rate was 20.2. The estimated rate was 19.4.
In 1980, the observed rate was 18.9. The estimated rate was 19.6.
In 1981, the observed rate was 20.8. The estimated rate was 19.8.
In 1982, the observed rate was 19.6. The estimated rate was 19.9.
In 1983, the observed rate was 19.6. The estimated rate was 20.1.
In 1984, the observed rate was 20.8. The estimated rate was 20.3.
In 1985, the observed rate was 20.6. The estimated rate was 20.5.
In 1986, the observed rate was 20.4. The estimated rate was 20.7.
In 1987, the observed rate was 20.2. The estimated rate was 20.9.
In 1988, the observed rate was 20.4. The estimated rate was 21.1.
In 1989, the observed rate was 22.4. The estimated rate was 21.2.
In 1990, the observed rate was 20.9. The estimated rate was 21.4.
In 1991, the observed rate was 22.0. The estimated rate was 21.6.
In 1992, the observed rate was 20.8. The estimated rate was 21.0.
In 1993, the observed rate was 20.6. The estimated rate was 20.5.
In 1994, the observed rate was 20.1. The estimated rate was 19.9.
In 1995, the observed rate was 19.7. The estimated rate was 20.3.
In 1996, the observed rate was 20.4. The estimated rate was 20.6.
In 1997, the observed rate was 21.5. The estimated rate was 21.0.
In 1998, the observed rate was 21.7. The estimated rate was 21.4.
In 1999, the observed rate was 21.8. The estimated rate was 21.7.
In 2000, the observed rate was 21.8. The estimated rate was 22.1.
In 2001, the observed rate was 23.0. The estimated rate was 22.5.
In 2002, the observed rate was 22.2. The estimated rate was 22.9.
In 2003, the observed rate was 23.6. The estimated rate was 23.3.
In 2004, the observed rate was 23.6. The estimated rate was 23.7.
In 2005, the observed rate was 23.2. The estimated rate was 23.5.
In 2006, the observed rate was 23.4. The estimated rate was 23.3.
In 2007, the observed rate was 22.9. The estimated rate was 23.1.
In 2008, the observed rate was 22.2. The estimated rate was 22.9.
In 2009, the observed rate was 24.1. The estimated rate was 22.6.
In 2010, the observed rate was 22.7. The estimated rate was 22.4.
In 2011, the observed rate was 22.1. The estimated rate was 22.2.
In 2012, the observed rate was 22.1. The estimated rate was 22.0.
In 2013, the observed rate was 21.0. The estimated rate was 21.8.
In 2014, the observed rate was 21.8. The estimated rate was 21.6.
In 2015, the observed rate was 22.1. The estimated rate was 21.4.
In 2016, the observed rate was 20.5. The estimated rate was 21.2.

Notes: