Abstract
The distribution of lung cancer and bronchitis in England and Wales.
Highlights
The mortality experience for lung cancer and bronchitis is compared for the county boroughs and administrative counties of England and Wales
A positive correlation is found between mortality from bronchitis and air pollution and between mortality from lung cancer and population density
A study using statistics based on the ratio between the mortality experiences from bronchitis and lung cancer has shown a significantly high ratio in those areas in which the coal and textile industries are prominent
Summary
IN the course of a recent study of the relationship between Welshness, indicated by the possession of a Welsh surname, and disease, it was noted that the death rate for lung cancer in men was low, S.M.R. 85, while that for bronchitis was high, S.M.R. 120, in the Registrar General's Standard Region Wales I which comprises the counties of Brecknock, Carmarthen, Glamorgan and Monmouth (Registrar General, 1965). The present investigation extends to cover the whole of England and Wales and is based on statistics published in the Registrar General's Annual Reports for the years 1958 to 1963 (1960, 1961, 1962, 1963, 1964a, 1965). The mortality experience both for lung cancer and for chronic bronchitis is different in the urban and rural parts of the country and is directly correlated with the size of each town (Table I). For this reason a modified Standardised Mortality Ratio was used. TABLE I.-Standardised Mortality Ratios for Men in the Urban and Rural Parts of England and Wales. 1963
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