Abstract
The Object of this study is to set up a basic guideline of architectural planning for mental illness hospitals and units. 40 hospitals and units were surveyed. The survey was taken on Oct. 1, 1979 and again on Oct. 1, 1981. The surveyed items were sex, age, the name of the disease, duration of stay and admitting history, etc. The survey revealed the following facts; 1) About 65 percent of the inpatients have schizophrenia. 2) The ratio of men to women is 3 to 2. 3) There are five types of duration of stay, for example; long stay type and short stay type. 4) The duration of stay for manic depressive psychosis and alcoholism is relatively shorter, and that of mental deficiency and epilepsy is relatively longer. 5) The readmission rate of inpatients is about 45 percent.
