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Context: A laboratory information system (LIS) is a useful tool for the management of laboratory processes and data, as well as for improving quality., Objective: To examine the association between the implementation of a LIS with the outpatient and inpatient revenues of a general hospital., Design: This study analyzed the outpatient and inpatient revenue data of all 212 general hospitals in South Korea; data were obtained from the Korean National Health Insurance Corporation during the period from 1996 through 1999. The mixed model was used for the repeated measure data. The following listed variables were used in the analysis: LIS implementation status, the population size, the state of competition, average local income, the hospital location, the hospital size, whether or not the hospital was a teaching hospital, whether the hospital was private or public, and the effect of the implementation time., Results: The revenues from both the outpatient and inpatient departments were significantly higher 1 year after implementing a LIS, even after controlling for confounding variables., Conclusions: Although the causality needs to be clarified, the implementation of a LIS was found to be significantly associated with higher outpatient and inpatient revenues.

Objective: The purpose of this study was to examine whether the physician order-entry system (POE) could increase the outpatient and inpatient revenue of hospitals., Method: We analyzed the inpatient and outpatient revenue data of all general hospitals (212) in South Korea obtained from the Korean National Health Insurance Corporation (KNHIC) during the period from 1996 to 1999 using the mixed model for repeated measure data., Results: Analysis of the 4-years' panel data showed that both outpatient and inpatient revenues increased significantly after POE introduction. The hospital characteristics significantly influencing inpatient revenue were the number of beds, number of physicians and the tertiary status of a hospital; whereas those for outpatient revenue were the number of beds, number of physicians, the private status of a hospital, the tertiary status of a hospital and the urban status of a hospital., Conclusion: The revenues from both outpatients and inpatients were found to be increased after the introduction of the POE, while controlling for population size, competition, income, hospital location, hospital size, tertiary status and public status.

The purpose of this study is to assess the association of implementation of PACS with the inpatient and outpatient revenue of a general hospital. The authors analyzed the in- and outpatient revenue data of all general hospitals (212) in South Korea obtained from the Korean National Health Insurance Corporation (KNHIC) during the period from 1996 through 1999 using the mixed model for repeated measure data. The following variables were used in the analysis: status of picture archiving and communication systems (PACS) implementation, population size, state of competition, inhabitant's income, hospital location, hospital size, whether a tertiary hospital, whether public or private, the effect of year. The revenues from both in- and outpatient departments were significantly higher one year after the introduction of PACS while controlling for the confounding variables. Although the causality needs to be clarified, the implementation of PACS was correlated significantly to the increased amount of inpatient and outpatient revenue.