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Table 1 Correlation coefficients for regression analyses between different types of cancers.

From: Spatial trends of breast and prostate cancers in the United States between 2000 and 2005

Cancer types   Correlation (r) Number of counties Race/Ethnicity P Value
Breast Prostate 0.332 2651a Caucasians & Hispanics < 0.001
Breast Prostate 0.336 2205 b All races < 0.001
Breast Colon/Rectum 0.139 1804 b All races < 0.001
Breast Lung/Bronchus 0.149 1845 b All races < 0.001
Breast Ovary 0.106 801 b All races 0.003
Prostate Lung/Bronchus -0.018 2070 b All races 0.41
Prostate Colon/Rectum 0.124 1859 b All races < 0.001
  1. Ordinary least square regressions analyses were conducted on age-adjusted (to the 2000 U.S. standard population) county level average incidence rates (cases per 100,000 population per year) for different types of cancers. Data used in these analyses were extracted from the National Cancer Institute (NCI) and State Cancer Registries.
  2. aData from counties in all states were included for the period between 2000 (or 2001) and 2004 (or 2005).
  3. b Data from counties in all states except Illinois, Maryland, Minnesota, Mississippi, North Dakota, Tennessee and Virginia were included for the period between 2000 (or 2001) and 2004.