State Cancer Profiles

Interpretation of Historical Trends Data

Historical Trends (1992-2020)

Incidence, Iowa, Prostate, All Races (incl Hisp), All Ages, Male

Incidence, Iowa, Prostate, All Races (incl Hisp), All Ages, Male

Line graph with 29 years and 5 segments
During 1992-1996, the APC¹ in the rate of cancer was falling: -8.6 with a 95% confidence interval from -11.8 to -6.6.
During 1996-2000, the APC¹ in the rate of cancer was stable: 2.3 with a 95% confidence interval from -0.2 to 5.4.
During 2000-2010, the APC¹ in the rate of cancer was falling: -1.9 with a 95% confidence interval from -2.8 to -1.2.
During 2010-2013, the APC¹ in the rate of cancer was falling: -8.7 with a 95% confidence interval from -10.5 to -4.9.
During 2013-2020, the APC¹ in the rate of cancer was rising: 4.3 with a 95% confidence interval from 3.0 to 6.5.
Yearly points:
In 1992, the observed rate was 213.1. The estimated rate was 211.1.
In 1993, the observed rate was 197.4. The estimated rate was 192.9.
In 1994, the observed rate was 164.2. The estimated rate was 176.3.
In 1995, the observed rate was 163.3. The estimated rate was 161.2.
In 1996, the observed rate was 150.6. The estimated rate was 147.3.
In 1997, the observed rate was 153.3. The estimated rate was 150.6.
In 1998, the observed rate was 148.1. The estimated rate was 154.1.
In 1999, the observed rate was 160.3. The estimated rate was 157.5.
In 2000, the observed rate was 165.0. The estimated rate was 161.1.
In 2001, the observed rate was 159.7. The estimated rate was 158.0.
In 2002, the observed rate was 160.4. The estimated rate was 155.0.
In 2003, the observed rate was 142.3. The estimated rate was 152.1.
In 2004, the observed rate was 143.1. The estimated rate was 149.2.
In 2005, the observed rate was 143.2. The estimated rate was 146.4.
In 2006, the observed rate was 148.3. The estimated rate was 143.6.
In 2007, the observed rate was 144.1. The estimated rate was 140.9.
In 2008, the observed rate was 133.7. The estimated rate was 138.2.
In 2009, the observed rate was 138.8. The estimated rate was 135.5.
In 2010, the observed rate was 128.1. The estimated rate was 133.0.
In 2011, the observed rate was 130.5. The estimated rate was 121.3.
In 2012, the observed rate was 108.1. The estimated rate was 110.7.
In 2013, the observed rate was 101.7. The estimated rate was 101.1.
In 2014, the observed rate was 104.2. The estimated rate was 105.4.
In 2015, the observed rate was 110.0. The estimated rate was 110.0.
In 2016, the observed rate was 112.0. The estimated rate was 114.8.
In 2017, the observed rate was 121.9. The estimated rate was 119.8.
In 2018, the observed rate was 123.8. The estimated rate was 124.9.
In 2019, the observed rate was 131.4. The estimated rate was 130.4.
In 2020, the observed rate was 112.5. The estimated rate was 0.0.

Notes:

• Created by statecancerprofiles.cancer.gov on 04/24/2024 11:50 pm.
• Regression lines calculated using the Joinpoint Regression Program (Version 4.8.0.0).
• ¹ The APC is the Annual Percent Change over the time interval. Rates used in the calculation of the APC are age-adjusted to the 2000 US standard population (19 age groups: <1, 1-4, 5-9, ... , 80-84, 85+).


• Explanation of the Calculation of the Trend:
  If the APC is less than -1.5, the trend is falling.
  If the APC is between -1.5 and -0.5, the trend is slightly falling.
  If the APC is between -0.5 and 0.5, the trend is statistically stable.
  If the APC is between 0.5 and 1.5, the trend is slightly rising.
  If the APC is greater than 1.5, the trend is rising.

  Source: Incidence data provided by the SEER Program and the National Program of Cancer Registries SEER*Stat Database United States Department of Health and Human Services, Centers for Disease Control and Prevention. Rates calculated by the National Cancer Institute using SEER*Stat. Rates are age-adjusted to the 2000 US standard population (19 age groups: <1, 1-4, 5-9, ... , 80-84, 85+). Rates are for invasive cancer only (except for bladder cancer which is invasive and in situ) or unless otherwise specified. Population counts for denominators are based on Census populations as modified by NCI. The US populations included with the data release have been adjusted for the population shifts due to hurricanes Katrina and Rita for 62 counties and parishes in Alabama, Mississippi, Louisiana, and Texas. The US Population Data File is used with SEER data. Rates and trends in this graph are computed using the same standard for malignancy. For more information see malignant.html
  
  Source: Death data provided by the National Vital Statistics System public use data file. Death rates calculated by the National Cancer Institute using SEER*Stat. Death rates (deaths per 100,000 population per year) are age-adjusted to the 2000 US standard population (19 age groups: (<1, 1-4, 5-9, ... , 80-84, 85+). Population counts for denominators are based on Census populations as modified by NCI. The US populations included with the data release have been adjusted for the population shifts due to hurricanes Katrina and Rita for 62 counties and parishes in Alabama, Mississippi, Louisiana, and Texas. US Population Data File is used with mortality data.