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57
Amongst the tenants then, who transferred in 1930, there was
a lower than average incidence of tuberculosis, this being particularly
marked in the case of non-pulmonary disease.
Including the transfers us primary notifications for the year,
the number of notifications of pulmonary cases, 90, is less than the
anticipated number, 100, assuming the same rate to obtain as for
the country as a whole. The non-pulmonary cases, 55, arc higher
than the average rate, but not when allowance is made for the
altered age distribution of the population. No doubt part of this
relative excess of non-pulmonary cases is attributable to the fact
that some children were already heavily infected before transfer
and showed recognisable signs of the disease only later.
The mortality rate per head of population is lower for both
classcs of disease than the rate obtaining for the country as a whole,
namely pulmonary 59 per 100,000, compared with 75 anil nonpulmonary
11 compared with 17.
The actual number of cases on the Register at the end of the
year were, Pulmonary 702 and Non-pulmonary 313. For a
corresponding population in England and Wales the figures would
be GOO and 240. As, during the past few years, the number of
notifications and the number of transferred cases have been low.
these higher figures on the register arc attributable to the fact that
in the early years of development of the Estate, the incidence of
tuberculosis amongst the transferred population much exceeded
the rate occurring in an ordinary population.
Deaths.
Of the 66 deaths from Pulmonary Tuberculosis there occurred
amongst:—
(a) the old residents of Dagenham 4
(I)) those who transferred here free from disease 32
Amongst these, the onset of 2 was within 12 months of
residence Here ; 8 had lived here 1 to 2 years, six 2 to whilst 11
had lived here over 3 years before becoming ill.
Nine died within 0 months of the reputed onset; another 9 in
periods between 6 to 12 months from the onset. A total of 28 died
within 3 years, only 2 surviving this period.
(c) Those who transferred here suffering from the
disease 26