State Cancer Profiles

Interpretation of Historical Trends Data

Historical Trends (1975-2018)

Incidence, Connecticut, All Cancer Sites, All Races (incl Hisp), All Ages, Both Sexes

Line graph with 44 years and 4 segments
During 1975-1988, the APC¹ in the rate of cancer was rising: 0.9 with a 95% confidence interval from 0.6 to 1.1.
During 1988-1991, the APC¹ in the rate of cancer was stable: 2.5 with a 95% confidence interval from -1.8 to 7.0.
During 1991-2007, the APC¹ in the rate of cancer was rising: 0.2 with a 95% confidence interval from 0.0 to 0.3.
During 2007-2018, the APC¹ in the rate of cancer was falling: -1.3 with a 95% confidence interval from -1.5 to -1.0.
Yearly points:
In 1975, the observed rate was 417.5. The estimated rate was 419.2.
In 1976, the observed rate was 425.2. The estimated rate was 422.9.
In 1977, the observed rate was 425.8. The estimated rate was 426.6.
In 1978, the observed rate was 425.6. The estimated rate was 430.4.
In 1979, the observed rate was 435.5. The estimated rate was 434.2.
In 1980, the observed rate was 443.5. The estimated rate was 438.0.
In 1981, the observed rate was 448.2. The estimated rate was 441.9.
In 1982, the observed rate was 433.5. The estimated rate was 445.8.
In 1983, the observed rate was 449.4. The estimated rate was 449.7.
In 1984, the observed rate was 464.2. The estimated rate was 453.7.
In 1985, the observed rate was 452.3. The estimated rate was 457.7.
In 1986, the observed rate was 458.2. The estimated rate was 461.7.
In 1987, the observed rate was 470.0. The estimated rate was 465.8.
In 1988, the observed rate was 473.4. The estimated rate was 469.9.
In 1989, the observed rate was 476.0. The estimated rate was 481.9.
In 1990, the observed rate was 490.4. The estimated rate was 494.1.
In 1991, the observed rate was 507.0. The estimated rate was 506.7.
In 1992, the observed rate was 515.9. The estimated rate was 507.6.
In 1993, the observed rate was 509.8. The estimated rate was 508.5.
In 1994, the observed rate was 504.2. The estimated rate was 509.4.
In 1995, the observed rate was 499.2. The estimated rate was 510.3.
In 1996, the observed rate was 506.8. The estimated rate was 511.2.
In 1997, the observed rate was 509.6. The estimated rate was 512.1.
In 1998, the observed rate was 515.2. The estimated rate was 513.0.
In 1999, the observed rate was 516.4. The estimated rate was 513.9.
In 2000, the observed rate was 525.0. The estimated rate was 514.8.
In 2001, the observed rate was 532.3. The estimated rate was 515.8.
In 2002, the observed rate was 523.4. The estimated rate was 516.7.
In 2003, the observed rate was 514.6. The estimated rate was 517.6.
In 2004, the observed rate was 507.0. The estimated rate was 518.5.
In 2005, the observed rate was 510.4. The estimated rate was 519.4.
In 2006, the observed rate was 525.2. The estimated rate was 520.3.
In 2007, the observed rate was 518.4. The estimated rate was 521.3.
In 2008, the observed rate was 511.9. The estimated rate was 514.6.
In 2009, the observed rate was 515.5. The estimated rate was 508.1.
In 2010, the observed rate was 502.9. The estimated rate was 501.7.
In 2011, the observed rate was 494.2. The estimated rate was 495.3.
In 2012, the observed rate was 485.8. The estimated rate was 489.0.
In 2013, the observed rate was 479.4. The estimated rate was 482.8.
In 2014, the observed rate was 470.9. The estimated rate was 476.7.
In 2015, the observed rate was 470.9. The estimated rate was 470.7.
In 2016, the observed rate was 470.4. The estimated rate was 464.7.
In 2017, the observed rate was 466.9. The estimated rate was 458.8.
In 2018, the observed rate was 446.6. The estimated rate was 453.0.

Notes:

Created by statecancerprofiles.cancer.gov on 07/04/2022 5:45 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 (2001-2018) - United States Department of Health and Human Services, Centers for Disease Control and Prevention (based on the 2019 submission). 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 1969-2018 US Population Data File is used with SEER November 2020 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. 1969-2018 US Population Data File is used with mortality data.