In the immediately preceding papers of this series1 we have presented a study of the initial attacks of pellagra observed in Spartanburg County, S. C., up to the end of 1914 and a study of the subsequent history of the survivors of the initial attack. In the present paper we purpose to present a study of the correlation between recurrence of the disease, or escape from recurrence, on the one hand, and race, sex and age of the patient and treatment of the disease, on the other hand. It is expected that this study may contribute to the elucidation of the general question of prognosis in pellagra.
THE RELATION OF RECURRENT ATTACKS OF PELLAGRA TO RACE AND SEX
Of the 971 recorded cases of pellagra with onset previous to 1914, there were 157 patients who died in the year of the initial attack,