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Autor: Per Winkel
ISBN-13: 9780470515891
Einband: E-Book
Seiten: 280
Sprache: Englisch
eBook Typ: PDF
eBook Format: E-Book
Kopierschutz: Adobe DRM [Hard-DRM]
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Statistical Development of Quality in Medicine

Statistics in Practice
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The promotion of standards and guidelines to advance qualityassurance and control is an integral part of the health caresector. Quantitative methods are needed to monitor, control andimprove the quality of medical processes.
Statistical Development of Quality in Medicine presentsthe statistical concepts behind the application of industrialquality control methods. Filled with numerous case studies andworked examples, the text enables the reader to choose the relevantcontrol chart, to critically apply it, improve it if necessary, andmonitor its stability. Furthermore, the reader is provided with thenecessary background to critically assess the literature on theapplication of control charts and risk adjustment and to apply thefindings.
* Contains a user-friendly introduction, setting out thenecessary statistical concepts used in the field.
* Uses numerous real-life case studies from the literature andthe authors' own research as the backbone of the text.
* Provides a supplementary website featuring problems and answersdrawn from the book, alongside examples in Statgraphics.

The accessible style of Statistical Development of inClinical Medicine invites a large readership. It is primarilyaimed at health care officials, and personnel responsible fordeveloping and controlling the quality of health care services.However, it is also ideal for statisticians working with healthcare problems, diagnostic and pharmaceutical companies, andgraduate students of quality control.


Introduction - on quality of health care ingeneral.

I.1 Quality of health care.

I.2 Measures and indicators of quality of health care.

I.3 The functions of quality measures and indicators.


Part I Control Charts.

1 Theory of statistical process control.

1.1 Statistical foundation of control charts.

1.2 Use of control charts.

1.3 Design of control charts.

1.4 Rational samples.

1.5 Analysing the properties of a control chart.

1.6 Checklists and Pareto charts.

1.7 Clinical applications of control charts.

1.8 Inappropriate changes of a process.


2 Shewhart control charts.

2.1 Control charts for discrete data.

2.2 Control charts for continuous data.

2.3 Control charts for variable sample size.


3 Time-weighted control charts.

3.1 Shortcomings of Shewhart charts.

3.2 Cumulative sum charts.

3.3 Exponentially weighted moving average (EWMA) charts.


4 Control charts for autocorrelated data.

4.1 Time series analysis.

4.2 Tests of independence of measurements.

4.3 Control charts for autocorrelated data.

4.4 Effect of choice of process standard deviationestimator.


Part II Risk Adjustment.

5 Tools for risk adjustment.

5.1 Variables.

5.2 Statistical models.

5.3 Regression on continuous outcome measure.

5.4 Logistic regression on binary data.

5.5 Assessing the quality of a regression model.


6 Risk-adjusted control charts.

6.1 Risk adjustment.

6.2 Risk-adjusted control charts.



7 Risk-adjusted comparison of healthcare providers.

7.1 Experimental adjustment.

7.2 Statistical risk adjustment of observational data.

7.3 Perils of risk adjusting observational data.

7.4 Public report cards.


Part III Learning and Quality Assessment.

8 Learning curves.

8.1 Assessing a single learning curve.

8.2 Assessing multiple learning curves.

8.3 Factors affecting learning curves.

8.4 Learning curves and randomised clinical trials.


9 Assessing the quality of clinical processes.

9.1 Data processing requirement.

9.2 Benchmarking of processes in statistical control.

9.3 Dealing with processes that are not in statistical controlin the same state.

9.4 Overdispersion.

9.5 Multiple significance testing.


Appendix A - Basic statistical concepts.

A.1 An example of random sampling.

A.2 Data.

A.3 Probability distributions.

A.4 Using the data.


Appendix B - X and S chart with variable samplesize.

Appendix C - Moving range estimator of the standarddeviation of an AR (1) process.



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Autor: Per Winkel
ISBN-13 :: 9780470515891
ISBN: 0470515899
Verlag: John Wiley & Sons
Seiten: 280
Sprache: Englisch
Auflage 1. Auflage
Sonstiges: Ebook