Risk-adjusted Profile Monitoring in Dependent Multi-stage Processes in Healthcare Systems

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Milanlouei, Soodabeh | 2015

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 47350 (01)
University: Sharif University of Technology
Department: Industrial Engineering
Advisor(s): Akhavan Niaki, Taghi
Abstract:
Control chart is one of the most powerful tools in statistical process control (SPC). This tool has been widely used in industrial schemes; however, in recent years, it has become widespread in health care studies as well. Most of these studies are dealing with monitoring qualitative variables in one-stage processes. This research presents a new mechanism for monitoring medical processes, by modelling the bone marrow transplant surgery as a dependent multi-stage process into a multiple profile. In this mechanism, the characteristics which will be monitored are quantitative, and the cascade property between stages is considered. Moreover, risk adjustment methods have been used due to the heterogeneity of patients. Eventually, simulations have been running in order to evaluate the model. The results show different stages of a medical procedure can be monitored separately, by eliminating the dependency between stages statistically and using risk adjustment methods
Keywords:
Health Care System ; Profile Monitoring ; Risk-Adjustment ; Statistical Process Control ; Multivariate Control Charts

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