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this excess obtained then, and that in proportion to the population,
the L.C.C. houses contained the excess, the amount of
tuberculosis distributed throughout the original population being
somewhat below the rate through the country as a whole. Part
of the excess is no doubt to be explained by the fact that the
register is not actually up to date. There is a certain amount
of migration back to London of the people who have moved
down here. In the case of the tuberculous, it is probable that
notification of their transfer would not be received until they
had attended a Dispensary in London some time after returning.
While the names of these transfers therefore are soon
added to the register on their moving into the district, it is
possible that many names remain on long after the patients
have removed from the district.
As tuberculosis has its own predilection in age-groups it is
probable that the altered age distribution of the population
may account to some extent for this excess too, though this
has not been worked out.
Primary Notifications.
The primary notifications received during the year were
Pulmonary 52 and Non-pulmonary 27. The corresponding figures
in the same population of England and Wales would be 74
and 25.
This slight excess in the Non-pulmonary notifications was
found to exist before, and it was suggested then that it was
to the fact that the population is to a certain extent a
selected ne; that parents would be moving here for the benefit
of their children, who although not definitely notifiable at the
time of transfer would later increase the number of cases of
tubercular adenitis.
Deaths.
In the year there were 35 deaths from tuberculosis divided out
'"to Pulmonary, males 17 and females 13, Non-pulmonary, males
3 and females 2. If the same rate held amongst the 50,000
poputation as held in England and Wales in 1926, the corresponding
figures would have been 21, 17, 5 and 4, i.e., there
are fewer deaths in each group although the actual numbers of
cases on the register are larger.
Of the 30 deaths from pulmonary tuberculosis, 3 cases were
not on the register, 2 were notified immediately prior to death,
and a further 7 were notified within 6 months of death.