2006
DOI: 10.1097/00000542-200608000-00021
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Statistical Process Control as a Tool for Monitoring Nonoperative Time

Abstract: Statistical process control is useful for detecting changes in perioperative system performance, represented in this study by nonoperative time. The technique is able to detect changes quickly and to detect small changes over time.

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Cited by 32 publications
(32 citation statements)
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“…In the future, to monitor ongoing data on the basis of stabilized processes for every surgeon, three goals must be reached: first, a continuous and iterative evaluation must be performed (phase I); second, small process improvements or deteriorations must be detected using cumulative sum and exponentially weighted moving average charts (phase II) [19], and the duration of the learning period must be measured scientifically if there is an improvement [1]; finally, when making comparisons, data from all levels of the health care process (rational group), such as physicians, wards, shifts and the like, should be routinely collected into the database for the SPC system to enable comparisons, such as the comparisons of group A to E in this study. These group selections must be such that random variations are included within a group so that assignable or special causes between groups can be identified [20].…”
Section: Discussionmentioning
confidence: 99%
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“…In the future, to monitor ongoing data on the basis of stabilized processes for every surgeon, three goals must be reached: first, a continuous and iterative evaluation must be performed (phase I); second, small process improvements or deteriorations must be detected using cumulative sum and exponentially weighted moving average charts (phase II) [19], and the duration of the learning period must be measured scientifically if there is an improvement [1]; finally, when making comparisons, data from all levels of the health care process (rational group), such as physicians, wards, shifts and the like, should be routinely collected into the database for the SPC system to enable comparisons, such as the comparisons of group A to E in this study. These group selections must be such that random variations are included within a group so that assignable or special causes between groups can be identified [20].…”
Section: Discussionmentioning
confidence: 99%
“…Five steps were used to compare physician performance in terms of process time. First, this study used Seim's definition of process time of operation [1], and the total process time was divided into two segments: operative (surgical) and non‐operative (non‐surgical). Non‐operative time refers to the time span of anesthesia, preparation and any emergencies.…”
Section: Methodsmentioning
confidence: 99%
“…Dies wurde durch die Subgruppenanalysen bestätigt. Um die Auswirkung eines geänderten Arbeitsprozesses auf die Wechselzeiten nicht erst retrospektiv beurteilen und Verän-derungen frühzeitig erfassen zu können, entwickelte die Arbeitsgruppe um Sandberg [2,6,8] ein statistisches Detektionsverfahren durch retro spektive Analyse ihrer Studienergebnisse [10]. Unter Anwendung dieses Verfahrens wäre die von Sandberg et al [6] nach einem Untersuchungszeitraum von 13 Monaten festgestellte signifikante Verkürzung der Wechselzeiten durch die Einführung einer ZE bereits nach 2 Tagen erfassbar gewesen.…”
Section: Diskussionunclassified
“…Die SPC ist ein auf statistischer Methodik beruhendes Qualitätsverbesserungs-verfahren, welches bereits in verschiedenen Industrie-und Dienstleistungsbereichen erfolgreich eingesetzt wird [4,5,7,9,10,11,14]. Es werden die relevanten Prozesskennzahlen definiert und diese für jedes Produkt in der Reihenfolge seiner Produktion graphisch aufgetragen.…”
Section: Patienten -Nummerunclassified