Monitoring of high-yield and periodical processes in health care

Nataliya Chukhrova () and Arne Johannssen ()
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Nataliya Chukhrova: University of Hamburg
Arne Johannssen: University of Hamburg

Health Care Management Science, 2020, vol. 23, issue 4, No 10, 619-639

Abstract: Abstract Statistical control charts have found valuable applications in health care, having been largely adopted from operations research in manufacturing. However, the most common types are not best-suited to monitor high-yield processes (outcomes comprising true/false fractions, ‘near-zero’) and periodical processes (characterized by sequences of single populations of finite sizes), but rather to monitor variable vital signs levels and, to a lesser degree, service performance indicators. We discuss control charts that are most suitable for fraction non-conforming measurements. We focus particularly on high-yield and periodical processes, i.e. range in which out-of-control conditions are expected and should be identified. For these conditions, we discuss control charts based on the family of hypergeometric distributions, explaining and comparing their application to more traditional alternatives with two health care case studies. We demonstrate that hypergeometric-type control charts provide higher sensitivity in timely identification of changing rare event fractions and are well-suited for monitoring of periodical processes, while remaining more resistant to false alarms, versus their alternatives.

Keywords: CCC-chart; Periodical process; High-yield process; Health care monitoring; Medical risk management; Never events (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1007/s10729-020-09514-4

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