Measurement and feedback are fundamental to quality improvement. There is a knowledge
gap among health care professionals in knowing how to measure the impact of their
quality improvement projects and how to use these data to improve care. This article
presents a pragmatic approach to measurement and feedback for quality improvement
efforts in local health care settings, such as hospitals or clinical practices. The
authors include evidence-based strategies from health care and other industries, augmented
with practical examples from the authors' collective years of experience designing
measurement and feedback strategies.
Keywords
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Glossary
Balanced set of measuresA set of measures which, taken together, reflect as much of a system as possible without duplication, overlap or gaps.
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BenchmarkAn externally agreed-upon comparator to compare performance between similar organizations or systems.
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Composite indicatorAn aggregation of numerous indicators that aims to give a one-figure indicator in order to summarize measures further.
Control chartsA graphical tool for displaying the results of statistical process control.
Control limitsDefine the area representing random (also called “common cause”) variation on either side of the centerline, plotted on a control chart.
DashboardA tool used for collecting and reporting data on system-level measures that demonstrate the overall quality of a health system over time. Dashboards provide a quick summary of structural, process and outcome performance.
Plan-Do-Study-Act (PDSA) CycleA quality improvement method consisting of four repetitive steps for learning and improvement. Plan: develop a plan to learn, test, or implement a change; Do: execute the plan; Study: compare predictions to results and document learning; Act: make changes based on learning and set up next cycle. Most changes require several PDSA cycles.
Run chartA time series graph where the X-axis represents time longitudinally and the measure value is on the Y-axis. Run charts often include a median for the data points and can be augmented by inserting comments (annotations) at the point in time where process changes are made by the improvement team or other changes occur that could affect the data (outside of those made by the improvement team, such as a sudden loss of several staff members in a clinic).
Statistical process control (SPC)Statistical analysis and display (eg control charts), which helps distinguish normal, everyday, inevitable variation (“common cause variation”) from nonrandom (“special cause variation”) variation. The latter indicates something special is happening which could be caused by an improvement project or something that warrants a fuller understanding and investigation.
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© 2009 Elsevier Inc. Published by Elsevier Inc. All rights reserved.