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29
per 1,000
population.
Circulatory System (including Atheroma
and Cerebral Haemorrhage) 1,020 or 4.21
Cancer 326 1.34
Respiratory System (not Tubercular) 178 0.74
Tuberculosis (all forms) 176 0.74
Diseases of the Digestive System (excluding
Cancer and Tuberculosis) 161 0.67
Diseases of the Nervous System (not
Tubercular 160 0.66
Diseases of Renal System 66 0.27
Infectious Diseases (excluding Tuberculosis
but including Influenza 43 0.18
Suicides and Violent Deaths 1ll 0.46
Old Age 32 0.13
Congenital Debility and Prematurity 87 0.36
The greatest single group of causes of death as in 1934 was
diseases of the Circulatory system, and of this group Organic Heart
Disease was the most prominent member (780 deaths). Rheumaism
in childhood is indubitably a cause of cardiac breakdown later
in life, more particularly if the original attack of rheumatism has
been overlooked or disregarded.
Arterio-sclerosis (96 deaths) is the second big cause of death in
this group. This is a thickening and diminution in the elasticity
of the walls of the arteries and is an expression either of prolonged
stress or unwise living. Cerebral Hæ
morrhage, which caused,
incidentally, 86 deaths, is one of the sequelae of Arterio-sclerosis,
combined with excessive blood pressure. Arterio-sclerosis and
Cerebral Hæ
morrhage between them caused 182 deaths.
POPULATION.
Explanation of Graphs.
The estimated population is shown by a continuous black line
from 1860 onwards, the letter C denoting a census year. In 1860
Croydon's population was a little over 30,000; in 1931 the census
it to have risen to 233,115, whilst for 1935 the estimated
population is 242,100. The growth of Croydon has been rapid and
continuous; even during the war years the increase was not arrested,
while since the war its growth has been accelerated. Such an
increase of population gives rise to peculiar health problems, not
1935 showed a decrease in the general death-rate, an increase
in the birth-rate and a further decline in the infant mortality rate,
which reached the lowest yet recorded in Croydon.
Taking diseases of bodily systems and group diseases to which
deaths were definitely assigned we find:—