Between April 1 and Sept. 1, 1918, 65,507 men passed through the examining barracks at Jefferson Barracks. An enlargement of the thyroid gland was noted in 1,074 instances (1.63 per cent.). In 116 cases (10.7 per cent.) there were toxic symptoms. These men were rejected with a diagnosis of hyperthyroidism or exophthalmic goiter, depending on whether or not exophthalmos was present.
Men from fifteen different states—Arkansas, Illinois, Iowa, Indiana, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Tennessee, Texas and Wisconsin — are included in these figures. The accompanying table shows a number in which there were thyroid enlargements, the percentage of thyroid enlargement in the number examined, the number of toxic goiters, and the percentage of goiter cases in which there were toxic symptoms. It is noted that Oklahoma has the highest percentage (38 per cent.) of goiters, followed in order by Texas, 20 per