Skip to main content

Main menu

  • Home
  • COVID-19
    • Articles & podcasts
    • Blog posts
    • Collection
    • News
  • Content
    • Current issue
    • Past issues
    • Early releases
    • Collections
    • Sections
    • Blog
    • Infographics & illustrations
    • Podcasts
    • Classified ads
  • Authors
    • Overview for authors
    • Submission guidelines
    • Submit a manuscript
    • Forms
    • Editorial process
    • Editorial policies
    • Peer review process
    • Publication fees
    • Reprint requests
  • CMA Members
    • Overview for members
    • Earn CPD Credits
    • Print copies of CMAJ
    • Career Ad Discount
  • Subscribers
    • General information
    • View prices
  • Alerts
    • Email alerts
    • RSS
  • JAMC
    • À propos
    • Numéro en cours
    • Archives
    • Sections
    • Abonnement
    • Alertes
  • CMAJ JOURNALS
    • CMAJ Open
    • CJS
    • JAMC
    • JPN

User menu

Search

  • Advanced search
CMAJ
  • CMAJ JOURNALS
    • CMAJ Open
    • CJS
    • JAMC
    • JPN
CMAJ

Advanced Search

  • Home
  • COVID-19
    • Articles & podcasts
    • Blog posts
    • Collection
    • News
  • Content
    • Current issue
    • Past issues
    • Early releases
    • Collections
    • Sections
    • Blog
    • Infographics & illustrations
    • Podcasts
    • Classified ads
  • Authors
    • Overview for authors
    • Submission guidelines
    • Submit a manuscript
    • Forms
    • Editorial process
    • Editorial policies
    • Peer review process
    • Publication fees
    • Reprint requests
  • CMA Members
    • Overview for members
    • Earn CPD Credits
    • Print copies of CMAJ
    • Career Ad Discount
  • Subscribers
    • General information
    • View prices
  • Alerts
    • Email alerts
    • RSS
  • JAMC
    • À propos
    • Numéro en cours
    • Archives
    • Sections
    • Abonnement
    • Alertes
  • Visit CMAJ on Facebook
  • Follow CMAJ on Twitter
  • Follow CMAJ on Pinterest
  • Follow CMAJ on Youtube
  • Follow CMAJ on Instagram
Commentary

Intention-to-treat principle

Victor M. Montori and Gordon H. Guyatt
CMAJ November 13, 2001 165 (10) 1339-1341;
Victor M. Montori
Dr. Montori is with the Division of Endocrinology, Metabolism, and Nutrition, Department of Internal Medicine, Mayo Clinic and Foundation, Rochester, Minn. Dr. Guyatt is with the Departments of Medicine and of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ont.
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
Gordon H. Guyatt
Dr. Montori is with the Division of Endocrinology, Metabolism, and Nutrition, Department of Internal Medicine, Mayo Clinic and Foundation, Rochester, Minn. Dr. Guyatt is with the Departments of Medicine and of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ont.
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • Article
  • Figures & Tables
  • Responses
  • Metrics
  • PDF
Loading

Article Information

vol. 165 no. 10 1339-1341
PubMed 
11760981
History 
  • Published online November 13, 2001.
Copyright & Usage 
© 2001

Author Information

  1. Victor M. Montori,
  2. Gordon H. Guyatt
  1. Dr. Montori is with the Division of Endocrinology, Metabolism, and Nutrition, Department of Internal Medicine, Mayo Clinic and Foundation, Rochester, Minn. Dr. Guyatt is with the Departments of Medicine and of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ont.
  1. Correspondence to:
    Dr. Gordon H. Guyatt, McMaster University Health Sciences Centre, 1200 Main St. W, Hamilton ON L8N 3Z5; fax 905 577-0017; guyatt@McMaster.ca

Statistics from Altmetric.com

Usage statistics: April 2002 to January 2021

AbstractFullPdf
Apr 200203526
Mar 200305857
Apr 200307542
May 200306647
Jun 200309540
Jul 200309249
Aug 2003011956
Sep 2003014769
Oct 2003116895
Nov 2003015462
Dec 2003012937
Jan 2004013153
Feb 2004014475
Mar 2004015697
Apr 2004017092
May 20040216110
Jun 2004114463
Jul 2004013688
Aug 20041183114
Sep 20040310129
Oct 20041235120
Nov 20041162129
Dec 20041171100
Jan 20050256116
Feb 20052182115
Mar 20052212118
Apr 2005320483
May 20050224171
Jun 2005114169
Jul 2005213871
Aug 2005216378
Sep 20054248147
Oct 20050267203
Nov 20054172157
Dec 2005018496
Jan 20090398209
Feb 20090506229
Mar 20090592282
Apr 20090543229
May 20090586234
Jun 20090395185
Jul 20090327213
Aug 20090401169
Sep 20090457143
Oct 20090523197
Nov 20090639264
Dec 20090507181
Jan 20100553184
Feb 20100589217
Mar 20100746237
Apr 20100564182
May 20100595169
Jun 20100528179
Jul 20100461145
Aug 20100469151
Sep 20100695194
Oct 20100726223
Nov 20100766218
Dec 20100611228
Jan 20110690215
Feb 20110603240
Mar 20110594242
Apr 20110431168
May 20110373127
Jun 20110339158
Jul 20110087
Aug 201102113
Sep 2011021131
Oct 2011020169
Nov 2011045254
Dec 2011051171
Jan 2012074305
Feb 2012062351
Mar 2012061451
Apr 2012070519
May 2012087495
Jun 20120229364
Jul 20120296283
Aug 20120208382
Sep 20120286408
Oct 20120341296
Nov 20120277277
Dec 20120216257
Jan 20130236428
Feb 20130247349
Mar 20130277357
Apr 20130308338
May 20130325300
Jun 20130236225
Jul 20130182186
Aug 20130198101
Sep 20130310108
Oct 20130300129
Nov 20130310168
Dec 2013023599
Jan 20140232233
Feb 20140258113
Mar 20140227132
Apr 20140234112
May 2014025978
Jun 2014016491
Jul 2014019864
Aug 2014020470
Sep 2014030671
Oct 2014035481
Nov 2014041262
Dec 2014025338
Jan 2015027263
Feb 2015027864
Mar 2015019240
Apr 2015018151
May 2015021554
Jun 2015017450
Jul 2015027238
Aug 2015017649
Sep 2015030881
Oct 2015025339
Nov 2015016630
Dec 2015019129
Jan 2016020242
Feb 2016021628
Mar 2016023440
Apr 2016022839
May 2016028647
Jun 2016020429
Jul 2016019132
Aug 2016022192
Sep 20160293135
Oct 2016032554
Nov 2016033336
Dec 2016023623
Jan 2017020338
Feb 2017023525
Mar 2017032336
Apr 2017021726
May 2017021729
Jun 2017018027
Jul 2017014120
Aug 2017019223
Sep 2017016340
Oct 2017015127
Nov 2017017038
Dec 2017011528
Jan 2018015033
Feb 2018016434
Mar 2018014530
Apr 2018013023
May 2018012621
Jun 2018013423
Jul 2018010923
Aug 201807328
Sep 201808624
Oct 2018012721
Nov 2018012424
Dec 201808917
Jan 201907717
Feb 2019011325
Mar 201909737
Apr 201907011
May 201906923
Jun 201906028
Jul 201908419
Aug 201908139
Sep 201905518
Oct 201909825
Nov 201909325
Dec 201909528
Jan 202008117
Feb 202008923
Mar 2020012243
Apr 2020013735
May 2020015326
Jun 202009624
Jul 202009115
Aug 202009323
Sep 2020012324
Oct 2020029642
Nov 2020015636
Dec 2020020925
Jan 2021010927

Cited By...

  • 318 Citations
  • Google Scholar
PreviousNext
Back to top

In this issue

CMAJ
Vol. 165, Issue 10
13 Nov 2001
  • Table of Contents
  • Index by author

Article tools

Respond to this article
Print
Download PDF
Article Alerts
To sign up for email alerts or to access your current email alerts, enter your email address below:
Email Article

Thank you for your interest in spreading the word on CMAJ.

NOTE: We only request your email address so that the person you are recommending the page to knows that you wanted them to see it, and that it is not junk mail. We do not capture any email address.

Enter multiple addresses on separate lines or separate them with commas.
Intention-to-treat principle
(Your Name) has sent you a message from CMAJ
(Your Name) thought you would like to see the CMAJ web site.
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Citation Tools
Intention-to-treat principle
Victor M. Montori, Gordon H. Guyatt
CMAJ Nov 2001, 165 (10) 1339-1341;

Citation Manager Formats

  • BibTeX
  • Bookends
  • EasyBib
  • EndNote (tagged)
  • EndNote 8 (xml)
  • Medlars
  • Mendeley
  • Papers
  • RefWorks Tagged
  • Ref Manager
  • RIS
  • Zotero
‍ Request Permissions
Share
Intention-to-treat principle
Victor M. Montori, Gordon H. Guyatt
CMAJ Nov 2001, 165 (10) 1339-1341;
Digg logo Reddit logo Twitter logo Facebook logo Google logo Mendeley logo
  • Tweet Widget
  • Facebook Like
  • Google Plus One

Jump to section

  • Article
    • Preventing bias in randomized controlled trials
    • Applying the intention-to-treat principle
    • Dealing with loss to follow-up
    • Determining if intention-to-treat analysis was used
    • Conclusions
    • Acknowledgments
    • Footnotes
    • References
  • Figures & Tables
  • Responses
  • Metrics
  • PDF

Related Articles

  • No related articles found.
  • PubMed
  • Google Scholar

Cited By...

  • Efficacy of cognitive behavioural therapy-based smartphone app for smoking cessation in China: a study protocol of a randomised controlled trial
  • Brief mindfulness-based intervention of 'STOP (Stop, Take a Breath, Observe, Proceed) touching your face: a study protocol of a randomised controlled trial
  • Equivalent performance of single-use and reusable duodenoscopes in a randomised trial
  • Long-term outcome of a randomized controlled study in patients with newly diagnosed severe aplastic anemia treated with antithymocyte globulin and cyclosporine, with or without granulocyte colony-stimulating factor: a Severe Aplastic Anemia Working Party Trial from the European Group of Blood and Marrow Transplantation
  • Dynamic Vision Training Transfers Positively to Batting Performance Among Collegiate Baseball Batters
  • Be Careful with Adverse Events Caused by Cefoperazone-Sulbactam
  • Statistical Quality Scale 6 (SQS-6)
  • Protocol for a placebo-controlled, within-participants crossover trial evaluating the efficacy of intranasal oxytocin to improve pain and function among women with chronic pelvic musculoskeletal pain
  • Best (but oft-forgotten) practices: intention-to-treat, treatment adherence, and missing participant outcome data in the nutrition literature
  • PCI Choice Decision Aid for Stable Coronary Artery Disease: A Randomized Trial
  • Variation in Hospital Risk-Adjusted Mortality Rates Following Transcatheter Aortic Valve Replacement in the United States: A Report From the Society of Thoracic Surgeons/American College of Cardiology Transcatheter Valve Therapy Registry
  • Understanding Orthopaedic Registry Studies: A Comparison with Clinical Studies
  • Best (but oft-forgotten) practices: sensitivity analyses in randomized controlled trials
  • Efficacy of metacognitive therapy for prolonged grief disorder: protocol for a randomised controlled trial
  • Adherence-adjusted estimates of benefits and harms from treatment with amoxicillin for LRTI: secondary analysis of a 12-country randomised placebo-controlled trial using randomisation-based efficacy estimators
  • A practical approach to evidence-based dentistry: III: How to appraise and use an article about therapy
  • The effects of a multisite aerobic exercise intervention on asthma morbidity in sedentary adults with asthma: the Ex-asthma study randomised controlled trial protocol
  • Do Community Health Worker Interventions Improve Rates of Screening Mammography in the United States? A Systematic Review
  • Randomized Controlled Study Investigating Viral Suppression and Serological Response following Pre-S1/Pre-S2/S Vaccine Therapy Combined with Lamivudine Treatment in HBeAg-Positive Patients with Chronic Hepatitis B
  • Comparing Ultrasound Biometry with Partial Coherence Interferometry for Intraocular Lens Power Calculations: A Randomized Study
  • Overview of clinical research design
  • Evaluating ethics consultation: randomised controlled trial is not the right tool
  • Blinding of Outcomes in Trials of Orthopaedic Trauma: An Opportunity to Enhance the Validity of Clinical Trials
  • Tai Chi and Perceived Health Status in Older Adults Who Are Transitionally Frail: A Randomized Controlled Trial
  • Pragmatic randomised controlled trials in parenting research: the issue of intention to treat.
  • The Intention-to-Treat Principle: A Primer for the Orthopaedic Surgeon
  • Systematic Evaluation of the Quality of Randomized Controlled Trials in Diabetes
  • Surgery for non-small cell lung cancer: systematic review and meta-analysis of randomised controlled trials
  • Effects of a mutual support group for families of Chinese people with schizophrenia: 18-month follow-up
  • Clinical trials in mild cognitive impairment: lessons for the future
  • Prognostic Significance of O6-Methylguanine-DNA Methyltransferase Determined by Promoter Hypermethylation and Immunohistochemical Expression in Anaplastic Gliomas
  • Google Scholar

More in this TOC Section

  • Transforming race-based health research in Canada
  • Not neutral: reimagining antiracism as a professional competence
  • Time to dismantle systemic anti-Black racism in medicine in Canada
Show more Commentary

Similar Articles

Content

  • Current issue
  • Past issues
  • Collections
  • Sections
  • Blog
  • Podcasts
  • Alerts
  • RSS
  • Early releases

Information for

  • Advertisers
  • Authors
  • Reviewers
  • CMA Members
  • Media
  • Reprint requests
  • Subscribers

About

  • General Information
  • Journal staff
  • Editorial Board
  • Governance Council
  • Journal Oversight
  • Careers
  • Contact
  • Copyright and Permissions

Copyright 2021, Joule Inc. or its licensors. All rights reserved. ISSN 1488-2329 (e) 0820-3946 (p)

All editorial matter in CMAJ represents the opinions of the authors and not necessarily those of the Canadian Medical Association or its subsidiaries.

Powered by HighWire