| アブストラクト | OBJECTIVES: A difference in the medical treatment situation between the first group and the second group of the hospital group in the DPC system was clarified using Diagnosis Procedure Combination (DPC) survey data according to Major Diagnostic Category (MDC). Furthermore, the division between the first group and the second group was examined. METHODS: DPC survey data collected in 2012 was used. According to MDC, significant differences in the patient ratio of hospitalization, the number of planned hospitalizations, the number of emergency hospitalizations, the number of ambulance conveyances, and the number of treatments were considered. Then, by the Mahalanobis-Taguchi method, distributions of the Mahalanobis distance and item choice according to MDC were considered. RESULTS: Many items according to MDC showed significant differences between the first group and the second group. The Mahalanobis distance was increased by MDC 16 disease when divided by the Mahalanobis distance of 1.0 between the first group and the second group. The item, which contributed to the calculation of the Mahalanobis distance by item choice, varied and showed a difference between the first group and the second group. CONCLUSIONS: The second group was authorized by the hospital followed by the first group. However, the results showed significant differences in the number of DPC survey data and the Mahalanobis distance of many items. |
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