The results of the tabulation of multiple sclerosis as one of the defects found in drafted men are plotted on the accompanying map. It shows that the maximum rate for this disease was found in Michigan and Minnesota, in which there were eighteen persons with this disease per 100,000. The Michigan rate is based on six cases so diagnosed by local boards and on nine at Camp Dodge. Excepting Delaware and the District of Columbia (whose rates depend on one and two cases, respectively), the next highest ratio is that for Wisconsin, fourteen per 100,000, where five cases were found by local boards and six by examiners at Camp Grant. That these states with a high ratio for multiple sclerosis are adjacent states, bordering on the Great Lakes, is of great interest. Since examinations were made at three different camps, the result cannot be ascribed to the idiosyncrasy of a
DAVENPORT CB. MULTIPLE SCLEROSIS: FROM THE STANDPCINT OF GEOGRAPHIC DISTRIBUTION AND RACE. Arch NeurPsych. 1922;8(1):51–58. doi:https://doi.org/10.1001/archneurpsyc.1922.02190130054008
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