The Epidemiology of Bronchial Carcinoma
Lung cancer is now the commonest malignant disease affecting civilised man and is competing with breast cancer to become the commonest in women. If it is not yet a common problem in the developing world, it soon will be. At the beginning of this century it was rare. By the 1930s it accounted for 0.5% of the certified causes of death in men and 0.2% in women, and by the beginning of the 1980s these proportions had increased to over 6% for men and approaching 2% for women. Undoubtedly some of this increase can be ascribed to the better diagnostic facilities made available to an ageing population. But that a true increase in the incidence is still occurring can be seen from the annual registration rates in Table 1. In men this continuing increase is in the 65 and over age group; the rates are beginning to fall in other age groups. In women the rates are still increasing in most age groups over 45. Lung cancer now accounts for nearly one-third of all male cancer registrations (28%) and just under one-tenth of female registrations (9%). The comparable figures (standardised mortality ratios: SMR) for certified causes of death (as a proportion of all malignant disease) are 37% for men and 14% for women.
KeywordsLung Cancer Standardise Mortality Ratio Lung Cancer Mortality Bronchial Carcinoma Lung Cancer Death
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