Wednesday, January 1, 2014

Cochrane Handbook for Systematic Reviews of Interventions


Cochrane Handbook for Systematic Reviews of Interventions [Hardcover]

Author: Julian P. T. Higgins Sally Green | Language: English | ISBN: 0470699515 | Format: PDF, EPUB

Cochrane Handbook for Systematic Reviews of Interventions
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Healthcare providers, consumers, researchers and policy makers are inundated with unmanageable amounts of information, including evidence from healthcare research. It has become impossible for all to have the time and resources to find, appraise and interpret this evidence and incorporate it into healthcare decisions. Cochrane Reviews respond to this challenge by identifying, appraising and synthesizing research-based evidence and presenting it in a standardized format, published in The Cochrane Library (www.thecochranelibrary.com).

The Cochrane Handbook for Systematic Reviews of Interventions contains methodological guidance for the preparation and maintenance of Cochrane intervention reviews. Written in a clear and accessible format, it is the essential manual for all those preparing, maintaining and reading Cochrane reviews. Many of the principles and methods described here are appropriate for systematic reviews applied to other types of research and to systematic reviews of interventions undertaken by others. It is hoped therefore that this book will be invaluable to all those who want to understand the role of systematic reviews, critically appraise published reviews or perform reviews themselves.

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  • Hardcover: 672 pages
  • Publisher: Wiley; 1 edition (November 24, 2008)
  • Language: English
  • ISBN-10: 0470699515
  • ISBN-13: 978-0470699515
  • Product Dimensions: 9.8 x 6.7 x 1.6 inches
  • Shipping Weight: 2.8 pounds (View shipping rates and policies)
  • Amazon Best Sellers Rank: #91,398 in Books (See Top 100 in Books)
    • #83 in Books > Medical Books > Research
    • #96 in Books > Textbooks > Medicine & Health Sciences > Research
    • #100 in Books > Reference > Encyclopedias & Subject Guides > Medical
Contents

Preface xiii

Acknowledgements xv

TheHandbookeditors xvii

Major contributors xix

Part 1 COCHRANE REVIEWS 1

1 Introduction 3

Sally Green, Julian PT Higgins, Philip Alderson, Mike Clarke, Cynthia D Mulrow and Andrew D Oxman


1.1 The Cochrane Collaboration 3


1.2 Systematic reviews 6


1.3 About this Handbook 7


1.4 Contributors to the Handbook 8


1.5 Chapter information 9


1.6 References 9

2 Preparing a Cochrane review 11

Edited by Sally Green and Julian PT Higgins


2.1 Rationale for protocols 11


2.2 Format of a Cochrane review 12


2.3 Logistics of doing a review 13


2.4 Publication of Cochrane reviews in print journals and books 24


2.5 Publication of previously published reviews as Cochrane reviews 26


2.6 Declaration of interest and commercial sponsorship 26


2.7 Chapter information 29


2.8 References 29

3 Maintaining reviews: updates, amendments and feedback 31

Julian PT Higgins, Sally Green and Rob JPM Scholten


3.1 Introduction 31


3.2 Some important definitions 32


3.3 Important dates associated with Cochrane reviews 39


3.4 Considerations when updating a Cochrane review 42


3.5 ‘What’s new’ and History tables 46


3.6 Incorporating and addressing feedback in a Cochrane review 48


3.7 Chapter information 48


3.8 References 49

4 Guide to the contents of a Cochrane protocol and review 51

Edited by Julian PT Higgins and Sally Green


4.1 Introduction 52


4.2 Title and review information (or protocol information) 52


4.3 Abstract 55


4.4 Plain language summary 55


4.5 Main text 55


4.6 Tables 70


4.7 Studies and references 72


4.8 Data and analyses 74


4.9 Figures 76


4.10 Sources of support to the review 77


4.11 Feedback 77


4.12 Appendices 78


4.13 Chapter information 78


4.14 References 78

Part 2 GENERAL METHODS FOR COCHRANE REVIEWS 81

5 Defining the review question and developing criteria for including studies 83

Edited by Denise O’Connor, Sally Green and Julian PT Higgins


5.1 Questions and eligibility criteria 84


5.2 Defining types of participants: which people and populations? 85


5.3 Defining types of interventions: which comparisons to make? 86


5.4 Defining types of outcomes: which outcome measures are most important? 87


5.5 Defining types of study 90


5.6 Defining the scope of a review question (broad versus narrow) 91


5.7 Changing review questions 93


5.8 Chapter information 93


5.9 References 94

6 Searching for studies 95

Carol Lefebvre, Eric Manheimer and Julie Glanville on behalf of the Cochrane Information Retrieval Methods Group


6.1 Introduction 96


6.2 Sources to search 98


6.3 Planning the search process 118


6.4 Designing search strategies 128


6.5 Managing references 142


6.6 Documenting and reporting the search process 144


6.7 Chapter information 146


6.8 References 147

7 Selecting studies and collecting data 151

Edited by Julian PT Higgins and Jonathan J Deeks


7.1 Introduction 151


7.2 Selecting studies 152


7.3 What data to collect 156


7.4 Sources of data 163


7.5 Data collection forms 164


7.6 Extracting data from reports 167


7.7 Extracting study results and converting to the desired format 170


7.8 Managing data 182


7.9 Chapter information 183


7.10 References 183

8 Assessing risk of bias in included studies 187

Edited by Julian PT Higgins and Douglas G Altman on behalf of the Cochrane Statistical Methods Group and the Cochrane Bias Methods Group


8.1 Introduction 188


8.2 What is bias? 188


8.3 Tools for assessing quality and risk of bias 190


8.4 Introduction to sources of bias in clinical trials 193


8.5 The Cochrane Collaboration’s tool for assessing risk of bias 194


8.6 Presentation of assessments of risk of bias 202


8.7 Summary assessments of risk of bias 202


8.8 Incorporating assessments into analyses 206


8.9 Sequence generation 210


8.10 Allocation sequence concealment 214


8.11 Blinding of participants, personnel and outcome assessors 217


8.12 Incomplete outcome data 219


8.13 Selective outcome reporting 226


8.14 Other potential threats to validity 230


8.15 Chapter information 234


8.16 References 235

9 Analysing data and undertaking meta-analyses 243

Edited by Jonathan J Deeks, Julian PT Higgins and Douglas G Altman on behalf of the Cochrane Statistical Methods Group


9.1 Introduction 244


9.2 Types of data and effect measures 249


9.3 Study designs and identifying the unit of analysis 260


9.4 Summarizing effects across studies 263


9.5 Heterogeneity 276


9.6 Investigating heterogeneity 282


9.7 Sensitivity analyses 289


9.8 Chapter information 292


9.9 References 293

10 Addressing reporting biases 297

Edited by Jonathan AC Sterne, Matthias Egger and David Moher on behalf of the Cochrane Bias Methods Group


10.1 Introduction 298


10.2 Types of reporting biases and the supporting evidence 299


10.3 Avoiding reporting biases 308


10.4 Detecting reporting biases 310


10.5 Chapter information 324


10.6 References 325

11 Presenting results and ‘Summary of findings’ tables 335

Holger J Schünemann, Andrew D Oxman, Julian PT Higgins, Gunn E Vist, Paul Glasziou and Gordon H Guyatt on behalf of the Cochrane Applicability and Recommendations Methods Group and the Cochrane Statistical Methods Group


11.1 Introduction 335


11.2 ‘Characteristics of included studies’ tables 336


11.3 Data and analyses 337


11.4 Figures 341


11.5 ‘Summary of findings’ tables 342


11.6 Additional tables 350


11.7 Presenting results in the text 351


11.8 Writing an abstract 352


11.9 Writing a plain language summary 355


11.10 Chapter information 356


11.11 References 357

12 Interpreting results and drawing conclusions 359

Holger J Schünemann, Andrew D Oxman, Gunn E Vist, Julian PT Higgins, Jonathan J Deeks, Paul Glasziou and Gordon H Guyatt on behalf of the Cochrane Applicability and Recommendations Methods Group


12.1 Introduction 360


12.2 Assessing the quality of a body of evidence 361


12.3 Issues in applicability 367


12.4 Interpreting results of statistical analyses 369


12.5 Interpreting results from dichotomous outcomes (including numbers needed to treat) 372


12.6 Interpreting results from continuous outcomes (including standardized mean differences) 377


12.7 Drawing conclusions 380


12.8 Chapter information 382


12.9 References 383

Part 3 SPECIAL TOPICS 389

13 Including non-randomized studies 391

Barnaby C Reeves, Jonathan J Deeks, Julian PT Higgins and George A Wells on behalf of the Cochrane Non-Randomised Studies Methods Group


13.1 Introduction 392


13.2 Developing criteria for including non-randomized studies 396


13.3 Searching for non-randomized studies 404


13.4 Selecting studies and collecting data 407


13.5 Assessing risk of bias in non-randomized studies 412


13.6 Synthesis of data from non-randomized studies 419


13.7 Interpretation and discussion 424


13.8 Chapter information 428


13.9 References 429

14 Adverse effects 433

Yoon K Loke, Deirdre Price and Andrew Herxheimer on behalf of the Cochrane Adverse Effects Methods Group


14.1 Introduction 433


14.2 Scope of a review addressing adverse effects 434


14.3 Choosing which adverse effects to include 437


14.4 Types of studies 438


14.5 Search methods for adverse effects 439


14.6 Assessing risk of bias for adverse effects 442


14.7 Chapter information 445


14.8 References 446

15 Incorporating economics evidence 449

Ian Shemilt, Miranda Mugford, Sarah Byford, Michael Drummond, Eric Eisenstein, Martin Knapp, Jacqueline Mallender, David McDaid, Luke Vale and Damian Walker on behalf of the Campbell and Cochrane Economics Methods Group


15.1 The role and relevance of economics evidence in Cochrane reviews 449


15.2 Planning the economics component of a Cochrane review 454


15.3 Locating studies 459


15.4 Selecting studies and collecting data 462


15.5 Addressing risk of bias 463


15.6 Analysing and presenting results 468


15.7 Addressing reporting biases 472


15.8 Interpreting results 474


15.9 Conclusions 474


15.10 Chapter information 476


15.11 References 476

16 Special topics in statistics 481

Edited by Julian PT Higgins, Jonathan J Deeks and Douglas G Altman on behalf of the Cochrane Statistical Methods Group


16.1 Missing data 482


16.2 Intention-to-treat issues 488


16.3 Cluster-randomized trials 493


16.4 Cross-over trials 498


16.5 Studies with more than two intervention groups 508


16.6 Indirect comparisons and multiple-treatments meta-analysis 513


16.7 Multiplicity and the play of chance 516


16.8 Bayesian and hierarchical approaches to meta-analysis 518


16.9 Rare events (including zero frequencies) 520


16.10 Chapter information 524


16.11 References 524

17 Patient-reported outcomes 531

Donald L Patrick, Gordon H Guyatt and Catherine Acquadro on behalf of the Cochrane Patient Reported Outcomes Methods Group


17.1 What are patient-reported outcomes? 532


17.2 Patient-reported outcomes and Cochrane reviews 533


17.3 Health status and quality of life as PRO outcomes 534


17.4 Issues in the measurement of patient-reported outcomes 537


17.5 Locating and selecting studies with patient-reported outcomes 538


17.6 Assessing and describing patient-reported outcomes 539


17.7 Comparability of different patient-reported outcome measures 540


17.8 Interpreting results 541


17.9 Chapter information 543


17.10 References 544

18 Reviews of individual patient data 547

Lesley A Stewart, Jayne F Tierney and Mike Clarke on behalf of the Cochrane Individual Patient Data Meta-analysis Methods Group


18.1 Introduction 548


18.2 The collaborative nature of IPD meta-analyses 550


18.3 Dealing with data 551


18.4 Analysis 553


18.5 Limitations and caveats 555


18.6 Chapter information 556


18.7 References 557

19 Prospective meta-analysis 559

Davina Ghersi, Jesse Berlin and Lisa Askie on behalf of the Cochrane Prospective Meta-analysis Methods Group


19.1 Introduction 559


19.2 The collaborative nature of prospective meta-analyses 562


19.3 The prospective meta-analysis protocol 563


19.4 Data collection in prospective meta-analysis 566


19.5 Analysis issues in prospective meta-analysis 567


19.6 Chapter information 569


19.7 References 569

20 Qualitative research and Cochrane reviews 571

Jane Noyes, Jennie Popay, Alan Pearson, Karin Hannes and Andrew Booth on behalf of the Cochrane Qualitative Research Methods Group


20.1 Introduction 572


20.2 Incorporating evidence from qualitative research in Cochrane Intervention reviews: concepts and issues


20.3 Qualitative evidence synthesis 576


20.4 Chapter information 583


20.5 References 584


20.6 Further selected reading 587

21 Reviews in public health and health promotion 593

Edited by Rebecca Armstrong, Elizabeth Waters and Jodie Doyle


21.1 Introduction 593


21.2 Study designs to include 594


21.3 Searching 594


21.4 Assessment of study quality and risk of bias 595


21.5 Ethics and inequalities 597


21.6 Context 599


21.7 Sustainability 600


21.8 Applicability and transferability 601


21.9 Chapter information 603


21.10 References 603

22 Overviews of reviews 607

Lorne A Becker and Andrew D Oxman


22.1 Introduction 607


22.2 Preparing a Cochrane Overview of reviews 608


22.3 Format of a Cochrane Overview 613


22.4 Chapter information 631


22.5 References 631

Index 633

Until this book was published, the only way to access the Cochrane Handbook was to view it online. I don't know about you, but it is much more difficult for me to concentrate on a complex topic when I'm reading something about it online, or reading from a pile of printed-out pages. Having already lost many good hours of my life attempting to use the Handbook in those newfangled ways, it was literally a delight to open the lovely, bright hardbound book, and browse through it this way during a recent transatlantic airplane ride. Not only is it vastly easier to use, but the writing is very fresh and clear, which is important since this 2008 update of the Handbook was quite a significant one. In short, if you are working on a Cochrane review (or any systematic review or meta-analysis), or if you are just interested on an intellectual basis, you will find this new edition of the Cochrane Handbook to be indispensable. Buy it.
By HH
I am impressed and I can recommend the product someone else. I shall recommend to other friends later. Very good!
By ALUKO JOEL OJO

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