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Changing trends in melanoma incidence and mortality
1Health Statistics Division, Statistics Canada, Ottawa. lgaudet@statcan.ca
Health Reports
|December 8, 1998
Summary
Melanoma incidence and mortality rates have stabilized, driven by decreases in younger individuals and specific body sites. However, male incidence and mortality rates remain significantly higher than female rates.
Area of Science:
- Dermatology
- Epidemiology
- Public Health
Background:
- Melanoma is a significant public health concern with historically increasing incidence and mortality rates.
- Understanding trends in melanoma is crucial for effective prevention and early detection strategies.
Purpose of the Study:
- To analyze temporal trends in melanoma incidence and mortality rates in Canada.
- To investigate the influence of sun exposure on these epidemiological trends.
Main Methods:
- Utilized data from the National Cancer Incidence Reporting System, Canadian Cancer Registry, and Canadian Vital Statistics Data Base.
- Employed age-standardization to the 1991 Canadian population for incidence and mortality rates.
- Analyzed average annual percentage changes in age-specific rates over selected periods.
Main Results:
- Melanoma incidence and mortality rates have plateaued after prolonged increases.
- Declines observed in younger age groups and specific melanoma locations (trunk in men, leg in women).
- Current melanoma incidence is higher in men than women; male mortality rates are double those of women.
Conclusions:
- The stabilization of melanoma rates may indicate the impact of public health interventions and awareness campaigns.
- Persistent disparities in incidence and mortality between sexes highlight the need for sex-specific prevention and screening approaches.
- Further research into the role of sun exposure and other risk factors is warranted to understand these evolving trends.