Table 3.
Overview of the methods of guidelines on the management of inflammatory bowel diseases: databases, search and type of consensus
| Organization | Country/continent | Year | Type of IBD | Databases used | Searches until | Type of consensus |
| Asia Pacific Working Group on inflammatory bowel diseases | Asia | 2013 | IBD | English language publications in MEDLINE, EMBASE and the Cochrane Trials Register in human subjects. All national and international guidelines on Ulcerative Colitis were solicited | Not reported | Modified Delphi process Canadian task force Grade A-E |
| NICE | United Kingdom | 2013 | UC | MEDLINE, Embase, Cinahl and the Cochrane Library | 15th November 2012 | Meta-analyses, grading the quality of evidence Evidence tables Formal consensus |
| ECCO | Europe | 2013 | UC | Medline, Central | December, 2010 | Delphi process and structured consensus |
| Japanese Society of Gastroenterology | Japan | 2013 | CD | MEDLINE, the Cochrane Library, and the Japan Medical Abstracts Society | Up to 2007 | Delphi process and structured consensus |
| NICE | United Kingdom | 2012 | CD | MEDLINE, Embase, Cinahl and The Cochrane Library | 13th March 2012 | Meta-analyses, grading the quality of evidence Evidence tables Formal consensus |
| British Society of Gastroenterology | United Kingdom | 2011 | IBD | PubMed, Medline and the Cochrane database | No details reported | Informal committee consensus |
| German Society of Gastroenterology | Germany | 2011 | UC | Medline, Central, PsycInfo | Until May 2009 | Structured consensus process |
| Asia Pacific Working Group on IBD | Asia and Australia | 2010 | UC | English language publications in MEDLINE, EMBASE and the Cochrane Trials Register in human subjects. All national and international guidelines on Ulcerative Colitis were solicited | No details reported | Modified Delphi process |
| Dutch Society for Gastroenterology | 2010 | Central, Medline, PsychInfo | 2007 | Modified Delphi process | ||
| American College of Gastroenterology | United States | 2010 | UC | Medline | No details reported | Informal consensus |
| American College of Gastroenterology | United States | 2010 | CD | Medline | No details reported | Informal consensus |
| German Society of Gastroenterology | Germany | 2011 | CD | Medline, Central, PsycInfo | Until April 2007 | Structured consensus process |
| ECCO | Europe | 2007 | CD | Medline, Central | No details reported | Delphi process and structured consensus |
IBD: Inflammatory bowel diseases; ECCO: European Crohn’s Colitis Organization; NICE: National Institute for Health and Care Excellence; CD: Crohn’s disease; UC: Ulcerative colitis.