Percentage proportion of surgical procedures during emergency and elective inflammatory bowel disease admissions
| Year | P value for trend | ||||||||||
| 2003/ 2004 | 2004/ 2005 | 2005/ 2006 | 2006/ 2007 | 2007/ 2008 | 2008/ 2009 | 2009/ 2010 | 2010/ 2011 | 2011/ 2012 | 2012/ 2013 | ||
| Crohn’s disease | |||||||||||
| Perianal surgery | |||||||||||
| Emergency | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.001 |
| Elective | 1.8 | 1.7 | 1.6 | 1.4 | 1.4 | 1.4 | 1.3 | 1.2 | 1.2 | 1.1 | <0.001 |
| Major surgery | |||||||||||
| Emergency | 4.5 | 4.1 | 3.6 | 3.2 | 3.0 | 2.8 | 2.4 | 2.2 | 2.2 | 2.0 | <0.001 |
| Elective | 2.8 | 2.5 | 2.3 | 1.8 | 1.7 | 1.5 | 1.4 | 1.2 | 1.1 | 1.0 | <0.001 |
| Ulcerative colitis | |||||||||||
| Surgery | |||||||||||
| Emergency | 1.8 | 1.8 | 1.5 | 1.4 | 1.2 | 1.2 | 1.0 | 0.9 | 0.9 | 0.8 | 0.146 |
| Elective | 4.9 | 4.6 | 4.4 | 3.5 | 3.5 | 3.3 | 3.1 | 2.9 | 2.7 | 2.4 | 0.010 |
Percentage for Crohn’s disease or ulcerative colitis admissions—p value from linear regression.