¹Department of Business Administration in Nanhua University; Buddhist Dalin Tzu-Chi Hospital, Chia-yi, Taiwan.
²Department of Business Administration in Nanhua University; Buddhist Dalin Tzu-Chi Hospital, Chia-yi, Taiwan.

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Abstract—Although the development of cloud computing has gradually matured, studies on the use of cloud computing for medical information systems remain deficient. In this study, a two-stage model was used to perform related analysis. Stage One of the model employed a mathematical model to estimate the cost model for self-built information systems as well as the involved risk loss. The difference in the information systems’ costs and operational performance with and without cloud computing technology were discussed. Stage Two of the model used the technology acceptance model integrated with the flow theory to investigate the behaviour and attitude of the medical staff toward cloud computing technology, the criteria for them to accept the technology, and their subsequent continuous use intention. The moderated structural equation modelling results generally supported the hypotheses. The article concludes by discussing the theoretical and implications of the research findings. This research offers management the opportunity to asset the overall hospital information system process and improve efficiency and effectiveness.

Index Terms—Cloud computing, technology acceptance model, flow.

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Cite: Chen-Lin Lee, Li-Chuan Chu, Kuo-Chung Huang, "Investigating the Integration of Cloud Computing in Medical Information Systems Using a Two-Stage Model," Journal of Computers vol. 10, no. 5, pp. 354-364, 2015.