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Article

Automatic Process Comparison for Subpopulations: Application in Cancer Care

1
Faculty of Electrical Engineering, Mathematics and Computer Science, University of Twente, 7522 NB Enschede, The Netherlands
2
Hospital Group Twente (ZGT), 7555 DL Hengelo, The Netherlands
*
Authors to whom correspondence should be addressed.
Supported by the Process-Oriented Data Science for Healthcare Alliance (PODS4H Alliance).
Int. J. Environ. Res. Public Health 2020, 17(16), 5707; https://doi.org/10.3390/ijerph17165707
Received: 22 June 2020 / Revised: 27 July 2020 / Accepted: 1 August 2020 / Published: 7 August 2020
(This article belongs to the Special Issue Process-Oriented Data Science for Healthcare 2019 (PODS4H19))
Processes in organisations, such as hospitals, may deviate from the intended standard processes, due to unforeseeable events and the complexity of the organisation. For hospitals, the knowledge of actual patient streams for patient populations (e.g., severe or non-severe cases) is important for quality control and improvement. Process discovery from event data in electronic health records can shed light on the patient flows, but their comparison for different populations is cumbersome and time-consuming. In this paper, we present an approach for the automatic comparison of process models that were extracted from events in electronic health records. Concretely, we propose comparing processes for different patient populations by cross-log conformance checking, and standard graph similarity measures obtained from the directed graph underlying the process model. We perform a user study with 20 participants in order to obtain a ground truth for similarity of process models. We evaluate our approach on two data sets, the publicly available MIMIC database with the focus on different cancer patients in intensive care, and a database on breast cancer patients from a Dutch hospital. In our experiments, we found average fitness to be a good indicator for visual similarity in the ZGT use case, while the average precision and graph edit distance are strongly correlated with visual impression for cancer process models on MIMIC. These results are a call for further research and evaluation for determining which similarity or combination of similarities is needed in which type of process model comparison. View Full-Text
Keywords: process mining; process comparison; quality control; cancer types; breast cancer care; MIMIC database process mining; process comparison; quality control; cancer types; breast cancer care; MIMIC database
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MDPI and ACS Style

Marazza, F.; Bukhsh, F.A.; Geerdink, J.; Vijlbrief, O.; Pathak, S.; Keulen, M.v.; Seifert, C. Automatic Process Comparison for Subpopulations: Application in Cancer Care. Int. J. Environ. Res. Public Health 2020, 17, 5707. https://doi.org/10.3390/ijerph17165707

AMA Style

Marazza F, Bukhsh FA, Geerdink J, Vijlbrief O, Pathak S, Keulen Mv, Seifert C. Automatic Process Comparison for Subpopulations: Application in Cancer Care. International Journal of Environmental Research and Public Health. 2020; 17(16):5707. https://doi.org/10.3390/ijerph17165707

Chicago/Turabian Style

Marazza, Francesca, Faiza A. Bukhsh, Jeroen Geerdink, Onno Vijlbrief, Shreyasi Pathak, Maurice v. Keulen, and Christin Seifert. 2020. "Automatic Process Comparison for Subpopulations: Application in Cancer Care" International Journal of Environmental Research and Public Health 17, no. 16: 5707. https://doi.org/10.3390/ijerph17165707

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