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The changing pattern of bronchial carcinoma
British Journal of Diseases of the Chest
|October 1, 1975
Summary
Bronchial carcinoma incidence is rising, particularly in older adults over 65. While rates are falling in younger men, they continue to increase in women, suggesting a shift in disease natural history.
Area of Science:
- Epidemiology
- Oncology
- Public Health
Background:
- Bronchial carcinoma (lung cancer) incidence has been increasing.
- A notable rise in patients over 65 undergoing surgery for lung cancer has been observed.
- This trend reflects broader national patterns in both males and females.
Purpose of the Study:
- To analyze trends in bronchial carcinoma incidence by age and sex.
- To investigate the factors contributing to the rising incidence in older populations.
- To understand the changing natural history of lung cancer in the community.
Main Methods:
- Analysis of age-specific incidence rates of bronchial carcinoma.
- Comparison of incidence trends across different age groups and sexes over several decades.
- Examination of population demographics to contextualize incidence changes.
Main Results:
- Incidence of bronchial carcinoma is increasing, especially in individuals over 65 years.
- While lung cancer rates are declining in men under 65, they are still rising in women across all age groups.
- The proportion of the population at risk has increased, but does not fully explain the rise in older age groups.
Conclusions:
- The observed changes in bronchial carcinoma incidence suggest a shift in the disease's natural history.
- Future predictions indicate a potential decrease in the number of surgically eligible male lung cancer patients.
- Understanding these demographic and epidemiological shifts is crucial for public health strategies.