Systematic Reviews
Copyright ©The Author(s) 2018.
World J Gastroenterol. Jan 21, 2018; 24(3): 424-437
Published online Jan 21, 2018. doi: 10.3748/wjg.v24.i3.424
Table 7 Crohn’s disease behaviour
StudyCountry (Region)Time periodNumber of casesDisease location/ Behaviour, MontrealPopulation groups, %
AACaucasianHispanic
Nguyen (2006)[24]United States (National)2003-2005697B153.248.045.3
B227.921.423.6
B319.030.631.1
Perianal40.028.752.5
Eidelwein (2007)[25]United States (Baltimore)1991-2000137 (Paed)B2 + B329.111.11-
Ghazi (2013)[27]United States (Baltimore)2004-2009296B118.033.0-
B242.036.0-
B340.031.0-
Perianal36.025.0-
Sofia (2014)[40]United States (Chicago)2008-20131334Perianal25.724.7-
Damas (2013)[28]United States (Florida)1998- 2009325B1-81.5 (NHW)78.9
B2-0.01.1
B3-18.520.0
Perianal-27.023.0
Kugathasan (2005)[29]United States (National)-222 (Paed)Inflammatory58.064.0-
Stricturing20.018.0-
Fistulising22.018.0-
Perianal23.036.0-
Malaty (2010)[30]Houston (Texas)2000-2006273Inflammatory64.063.058.0
Stricturing16.017.013.0
Fistulising17.016.032.0
Adler (2016)[31]Multicentre (United States and United Kingdom)2006-20142034 (Paed)Perianal26.020.024.0