Table 3.

Age-standardized colorectal cancer incidence rates by sex for select regions of North America, South America, and Oceania (Cancer Incidence in Five Continents)

Males
Females
1983-871998-2002Rate ratio* (95% CI)1983-871998-2002Rate ratio* (95% CI)
Canada43.242.60.99 (0.97-1.00)33.129.40.89 (0.87-0.90)
United States, SEER 9 Areas45.438.40.85 (0.83-0.86)33.028.40.86 (0.85-0.88)
Colombia
    Cali9.013.61.51 (1.26-1.81)8.314.31.73 (1.46-2.04)
Costa Rica7.613.01.72 (1.51-1.95)9.012.11.34 (1.19-1.51)
Australia
    New South Wales43.447.21.09 (1.06-1.12)31.733.21.05 (1.01-1.09)
    South41.848.51.16 (1.09-1.23)31.034.11.10 (1.03-1.18)
    Tasmania41.248.41.18 (1.05-1.31)33.836.31.07 (0.96-1.21)
    Victoria45.848.31.06 (1.02-1.09)34.233.10.97 (0.93-1.01)
    Western42.346.31.10 (1.03-1.17)33.030.70.93 (0.87-1.00)
New Zealand50.349.30.98 (0.94-1.02)41.839.50.94 (0.91-0.98)
  • NOTE: Colorectal cancer includes cancer of the colon, rectum, and anus.

  • Incidence rates are per 100,000 persons and were age-adjusted to the 1960 world standard population.

  • *For ease of interpretation significant rate ratios are presented in bold.