This research was performed to seek useful findings for hospital management with comparing and analyzing several sites' DPC data within a hospital group. It was clarified that analyzing Yoshiki 1 file and E/F file in hospitalization period lead to widely providing information about not only patient condition, but also actual use of pharmaceutical products. Particularly, it was considered that the useful data for a ratio of long-term hospitalization to total number of hospitalization and difference of replacement rate to generic drugs between sites, which would be important data from the point of hospital management. These research results are indicated that the further suggestions could be proposed for use of DPC data.
