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Published Online:https://doi.org/10.1176/ajp.111.9.659

In this series 528 cases—the great majority of them schizophrenics—were treated with intense deep insulin coma.

The functional recovery rate was between 47.4% and 71.3% among different schizophrenic groups and between 77.7% and 100% among manic-depressive groups.

It is difficult to compare results between male and female patients because of the small number of the latter. However, the results in both groups seem to be about even.

Comparing white and Negro patients, the white group has a somewhat higher functional recovery rate.

Most of the treatment patients were between 25 and 35 years of age.

The recovery rate is highest in the younger age groups, particularly in the group of 20-25 years of age.

The rate of recovery decreases with the length of illness prior to institution of treatment.

The rate of recovery decreases further with length of hospitalization prior to institution of treatment.

Of 528 treated cases, 266 are still out of the hospital.

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