The use of state and general hospitals for inpatient psychiatric care.

OBJECTIVES: This paper explores the relationship of state hospital and general hospital psychiatric caseloads in a statewide system of care. METHODS: Probabilistic population estimation was applied to general hospital and state hospital data sets. RESULTS: General hospitals provide inpatient psychiatric services to more people than do state hospitals, and a significant number are served in both sectors. There were notable differences in use patterns related to patient gender and age. CONCLUSIONS: These results demonstrate that probabilistic methodologies can significantly enhance the value of existing databases for epidemiological research.