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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.