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32
Further, excluding the ophthalmia neonatorum cases, in
connection with which no systematic sanitary examination
was made, the number of infected houses, in which the
remaining 1,256 notified cases occurred, was 1,167, and in
each of these houses a systematic examination was made of
the drains and sanitary arrangements with the following
results:—
(a) 89 (i.e., 7.6 per cent.) were found to have defective
drains, i.e., gave results with the tests employed.
(b) 575 (i.e., 49.3 percent.) were found to have defective
traps, fittings and appliances.
(c) 503 (i.e., 43.1 per cent.) showed no defects.
These figures are comparable with the quinquennial averages
for the Parish during 1891-95 and 1896-1900, and for
the Borough during 1901-5 and 1906-1910, given in
Table 1.
Sub-divided according to the different notifiable diseases,
the results for 1912 show as follow:—