Abstract:
:In a previous article (M. K. Hart, Qual Manag Health Care. 2003;12(1):5-19), the authors presented risk-adjusted control charts applicable for attributes data. The present article discusses a similar class of control charts applicable for variables data that are often skewed. The key feature of these charts is their application of risk-adjusted data in addition to actual performance data. The resulting charts should decrease the occurrence of both type I and type II errors as compared to the unadjusted control charts. This article presents several control charts that vary in the data transformation and combination approaches. Data depicting hospital length of stay following coronary artery bypass graft procedures were used to illustrate the use of transformed and risk-adjusted control charts.
journal_name
Qual Manag Health Carejournal_title
Quality management in health careauthors
Hart MK,Robertson JW,Hart RF,Lee KYdoi
10.1097/00019514-200404000-00003keywords:
subject
Has Abstractpub_date
2004-04-01 00:00:00pages
99-119issue
2eissn
1063-8628issn
1550-5154journal_volume
13pub_type
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