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252
been formed of the value of ionization, and if it was possible to
adopt a standard for the term "failure" the number so classified
would be very small.
1928. 1929. 1930
No. of sessions held 13 38 51
No. of first attendances 48 130 95
No. of re-attendances 104 330 475
Cases attending may be divided into three groups:—
I.—Those found to have no evidence of otorrhcea past or
present, or deafness of more than a trivial or temporary nature.
Cases of wax, furuncie, and otitis externa (simulating otitis media)
come into this group There were 20 such cases.
II.—Cases complaining of deafness only. Some of these were
due to old otitis media. Nineteen of these cases attended.
III.—Cases of otorrhcea, active, quiescent, or cured, 203
cases.
Group II.
The diagnosis and disposal of the cases in this group were as
follows:—
One was due to wax; cured by its removal.
Three were due to old middle-ear disease and were referred as
suitable for a hard of hearing class.
Six were due to Eustachian blockage. Four of these were
treated by the Eustachian catheter with great improvement, two
being discharged with almost normal hearing.
Two required an operation for tonsils and adenoids for which
they were referred.
Two were referred for operation for tonsils and adenoids previously
done unsuccessfully. One of these benefited greatly, the
other has not yet been reinspected.
One was put under observation pending a definite diagnosis.