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156
From this table we find that 0.33 per cent. of children who have
not had rheumatic fever get heart disease, as compared with 13 per cent.
of those who have had rheumatic fever, and the correlation coefficient
between rheumatic fever and heart disease is .73.
Chorea and Heart Disease.
Ten boys and ten girls had a previous history of Chorea or St.
Vitus's Dance. Of the ten boys, three had a history of rheumatic fever
also, and two were found to have heart disease, one of the two having
had both chorea and rheumatism. Of the ten girls with a previous
history of chorea, two were found to have heart disease.
Lungs.
Bronchial catarrh was present in 41 children (1.0 per cent.); 27
boys (1.2 per cent.) and 14 girls (.76 per cent.). Of these 41 children,
9 had also enlarged tonsils and adenoids. Six children, three boys and
three girls, were afflicted with winter cough every year.
Four children were liable to attacks of spasmodic asthma. One,
a boy of five years of age, had his first attack when ten months old. The
others were two boys and a girl of thirteen years of age.
Two children, a boy of seven and a girl of thirteen, were suffering
from Pulmonary Tuberculosis.
Tuberculosis.
There were two cases of pulmonary tuberculosis, referred to in the
last paragraph, among the children inspected or .048 per cent. Five cases
were referred for subsequent examination as being suspicious cases. Of
four cases thus referred in the previous year's inspection not one was found
to be pulmonary tuberculosis at subsequent examinations.
Other cases of tubercular disease were three cases of tubercular neck
glands (two girls aged 13, and one boy aged 13), and one case of tuberculous
hip. The latter case had been under treatment for a considerable
time, and was wearing a splint.
Of cases of old tuberculosis, there were eight children, four boys
and four girls,, who had had tuberculous glands removed from the neck;
two cases with a history of tubercular disease of the knee joint, one boy
and one girl; two cases, in addition to the one mentioned above, with past
hip disease, both girls; and one case of old tubercular disease of first
metacarpal bone of hand, a girl.