[A clinical research on mental disability of chronic schizophrenia. 202 cases report]

202 cases of chronic schizophrenia were investigated to determine the order of severity of mental disability. 112 cases were male and 90 cases were female. The average age of the cases was 51.7 +/- 3.4 years, the onset age of the disease was 22.9 +/- 6.9 years. In order to measure the severity, we worked out "Social Disability Screening Schedule for In-patients" (SDSS-I) based on "Social Disability Screening Schedule" offered by WHO. 202 cases were measured with SDSS-I, the results showed that 6 cases were slight, 22 cases were mild, 66 cases were severe and 108 cases were profound. Most part of the cases (86.7%) were severely and profoundly mentally disabled.