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11
Taking the registered number of deaths, viz., 607, deducting
12, and adding 101, gives the corrected number of deaths as 696.
The greater part of the information as to the deaths outside
the Borough has been supplied to me by the Middlesex County
Medical Officer of Health, who has obtained from the Registrar
General particulars of the deaths of Middlesex people in the Hospitals,
etc., in and about London, and has apportioned these deaths
to their respective districts.
Before last year this correction for residents and non-residents
had never been applied, and, although I then from the means at
my disposal partly corrected the returns for several years back, I
could only do it very imperfectly for want of the necessary information.
Therefore, while the recorded death-rate for 1905 is a
true statement of the mortality of the district, it is not comparable
with the figures for previous years, because for these years a proper
correction cannot now be applied.
The effect of these corrections is to give Hornsey a recorded
death-rate of 8.16.
As I explained in my last report, before we can make a true
comparison with other districts, a correction for age and sex distribution
must be applied. This is done by multiplying the recorded
death-rate, i.e., the death-rate corrected for residents and
non-residents, by a factor for age and sex distribution, which has
the effect of putting all districts on the same footing in this respect.
In Hornsey, the age and sex distribution is more favourable
than in the country generally, and we have accordingly a high
factor. The rate obtained by this method is the Corrected Deathrate,
and is the proper rate to use in comparing different districts.