Authors/paper/year [Reference] Country Number of IBD patients enrolled Patients age Time period of the study IBD incidence
Benchimol et al., Gut 2009 [2 ] Canada (Ontario) Population-based clinical database Paediatric 17 yrs (1991–2008) Age- and sex-standardized prevalence 42.1/100,000 (in 1994) Chouraki et al., Aliment. Pharmacol. Ther. 2011 [3 ] Northern France 12.084 Paediatric 20 yrs CD
Jussila et al., J. Crohn’s Colitis 2013 [4 ] Finland Patients with special reimbursement of medications for IBD in the years 1993 (
= 10,958) and 2008 (31,703) Paediatric and adult 14 yrs (1998–2002) Nationwide point prevalence of IBD 216/100,000 in 1993 and 595/100,000 in 2008.
Burisch et al., Gut 2013. [5 ] Europe (31 centers from 14 Western and 8 Eastern European countries) 1515 patients Adult (≥15 yrs) — Overall incidence rate ratios in all Western European centres were 1.9 (95% CI 1.5 to 2.4) for CD and 2.1 (95% CI 1.8 to 2.6) for UC compared with Eastern European centres Malmborg et al., J. Pediatr. Gastroenterol. Nutr. 2013 [6 ] Sweden 133 Paediatric (<16 yrs at onset) 6 yrs (2002–2007) IBD Turunen et al., Inflamm. Bowel Dis. 2006 [7 ] Finland 604 Paediatric (<18 yrs at onset) 17 yrs (1987–2003)
IBD
)
Sawczenko and Sandhu, Arch. Dis Child 2003 [8 ] Great Britain and Ireland 739 Paediatric (<16 yrs at onset) 13 mths (June 1998–June 1999) — Armitage et al., Gastroenterology 2004. [9 ] Scotland 580 Paediatric (<16 yrs at onset) 15 yrs (1981–1995) CD
) Pozler et al., J. Pediatr. Gastroenterol. Nutr. 2006 [10 ] Czech Republic 470 Paediatric (<15 yrs at onset) 12 yrs (1990–2001) CD Castro et al., Inflamm Bowel Dis 2008. [11 ] Italy 1576 Paediatric (<18 yrs) 8 yrs (1996–2003) IBD incidence: Rocchi et al., Can. J. Gastroenterol. 2012 [12 ] Canada 233,000 Paediatric and adult (<18 yrs at onset) 12 yrs (1998–2009) IBD Zeng et al., J. Gastroenterol. Hepatol. 2013 [13 ] China (Guangdong province) 48 Paediatric and adult 1 yr (2011-2012) IBD 3.14/100,000 Kugathasan et al., J. Paediatr. 2003 [14 ] Winsconsin, US — Paediatric 2 yrs IBD
Basu et al., Am J. Gastroenterol. 2005 [15 ] Houston, Texas, US 148 Paediatric and adult 4 yrs (June 1999–November 2003) — Tozun et al., J. Clin. Gastroenterol 2009. [16 ] Turkey 877 Paediatric and adult 3 yrs (2001–2003) CD 2.2/100,000 Abdul-Baki et al. Inflamm Bowel Dis 2007 [17 ] Lebanon 251 Paediatric and adult 5 yrs (2000–2004) CD 1.4/100,000 El Mouzan et al., J. Trop. Pediatr. 2006 [18 ] Saudi Arabia (Riyadh region) 50 Paediatric (<18 yrs at onset) 10 yrs 0.5 cases/100,000
Tsai et al., J. Formos. Med. Assoc. 2004 [19 ] Taiwan 17 Paediatric (<18 yrs at onset) 22 yrs CD
),
) Ng et al., Gastroenterology 2013 [20 ] Asia-Pacific 419 Paediatric and adult 1 yr (2011-2012)
Asia IBD-U 0.07
Pinsk et al., Am. J. Gastroenterol. 2007. [21 ] South Asian population in British Columbia, Canada 75 Paediatric 21 yrs (1985–2005) In 1996–2001:
