Table 2.
HP prevalence in newly diagnosed IBD
| Author | Country | Year | % HP in IBD | % HP in CD | % HP in UC | % HP in IBDU | % HP in Controls |
| Park J.H. et al (25) | Korea | 2017 | 5,8 | 5,8 | / | / | 52,5 |
| Hansen R. et al (26) | UK | 2013 | 2,3 | 0 | 7,7 | 0 | 14,3 |
| Xiang Z. et al (27) | China | 2013 | 27,1 | 27,1 | / | / | 47,9 |
| Kaakoush et al (28) | Australia | 2011 | 18,2 | 18,2 | / | / | 10,8 |
| Jin X. et al (29) | China | 2013 | 30,5 | / | 30,5 | / | 57 |
| Horje et al (30) | The Netherlands | 2016 | 6,7 | 6 | 8 | / | 30 |
HP: stands for Helicobacter pylori; IBD: stands for Inflammatory Bowel Diseases; CD: stands for Crohn’s Disease; UC: stands for Ulcerative Colitis; IBDU: stands for Unclassified Inflammatory Bowel Disease