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Medical Statistics: A Guide to Data Analysis and Critical Appraisal

ISBN: 978-0-7279-1812-3
338 pages
August 2005, BMJ Books
Medical Statistics: A Guide to Data Analysis and Critical Appraisal (0727918125) cover image
Holistic approach to understanding medical statistics

This hands-on guide is much more than a basic medical statistics introduction. It equips you with the statistical tools required for evidence-based clinical research.


Each chapter provides a clear step-by-step guide to each statistical test with practical instructions on how to generate and interpret the numbers, and present the results as scientific tables or graphs.


Showing you how to:


  • analyse data with the help of data set examples (Click here to download datasets)
  • select the correct statistics and report results for publication or presentation
  • understand and critically appraise results reported in the literature


Each statistical test is linked to the research question and the type of study design used. There are also checklists for critically appraising the literature and web links to useful internet sites.


Clear and concise explanations, combined with plenty of examples and tabulated explanations are based on the authors’ popular medical statistics courses. Critical appraisal guidelines at the end of each chapter help the reader evaluate the statistical data in their particular contexts.

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1 Data management: preparing to analyse the data.

2 Continuous variables: descriptive statistics.

3 Continuous variables: comparing two independent samples.

4 Continuous variables: paired and one-sample t-tests.

5 Continuous variables: analysis of variance.

6 Continuous data analyses: correlation and regression.

7 Categorical variables: rates and proportions.

8 Categorical variables: risk statistics.

9 Categorical and continuous variables: test of agreement.

10 Categorical and continuous variables: diagnostic statistics.

11 Categorical and continuous variables: survival analysis

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Jennifer Peat, Hospital Statistician, The Children's Hospital at Westmead, Australia

Belinda Barton, The Children's Hospital at Westmead, Australia

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Hands-on guide on how to create and interpret statistics

  • Holistic approach to translating the meaning and use of medical statistics into plain English
  • Step by step guide to framing the research question, selecting the correct test, checking the assumptions, analysing the data and interpreting and presenting the results
  • Practical instructions on which statistics to use, when to use them, how to generate them and how to interpret them
  • Includes checklists of how to read and critically appraise published statistics for evidence-based practice
  • Suitable for the beginner who needs to understand the basics, and for the experienced researched who wants to refresh and update their knowledge skills
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“This is a text book which one would refer to many times throughout the data analysis process and is an invaluable aid to conduct thorough and correct medical research.” Lecturer in Health Economics, University of Wales Swansea, UK
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Download TitleSizeDownload
Basic Data Sets

basic.zip (121KB)(contains all listed basic data sets)

120.19 KB Click to Download
asthma.sav 30.82 KB Click to Download
asthma.xls 177.50 KB Click to Download
babies.sav 7.10 KB Click to Download
babies.xls 28.50 KB Click to Download
growth.sav 13.11 KB Click to Download
growth.xls 45.00 KB Click to Download
health-camp.sav 1.07 KB Click to Download
health-camp.xls 12.50 KB Click to Download
observweights.sav 1.04 KB Click to Download
observweights.xls 10.50 KB Click to Download
questionnaires.sav 1.14 KB Click to Download
questionnaires.xls 11.00 KB Click to Download
surgery.sav 5.59 KB Click to Download
surgery.xls 51.00 KB Click to Download
survival.sav 976 bytes Click to Download
survival.xls 10.00 KB Click to Download
therapy.sav 2.26 KB Click to Download
therapy.xls 22.50 KB Click to Download
weights.sav 16.62 KB Click to Download
weights.xls 75.00 KB Click to Download
xray.sav 4.45 KB Click to Download
xray.xls 23.50 KB Click to Download
Complete Data Sets

complete.zip (131KB) (contains all listed completed data sets)

130.80 KB Click to Download
asthma.sav 33.36 KB Click to Download
asthma.xls 188.50 KB Click to Download
babies.sav 7.10 KB Click to Download
babies.xls 28.50 KB Click to Download
growth.sav 25.95 KB Click to Download
growth.xls 75.00 KB Click to Download
observerweights.sav 1.68 KB Click to Download
observerweights.xls 10.50 KB Click to Download
surgery.sav 7.96 KB Click to Download
surgery.xls 35.00 KB Click to Download
weights. sav 36.32 KB Click to Download
weights.xls 125.00 KB Click to Download
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