The Changing Phenotype of Inflammatory Bowel Disease

Table 2

Disease location at diagnosis as per Montreal Classification.

	Hungary [75]	Sweden [76, 77]	Netherlands [5]	Australia [8]	[8]
Crohn’s disease
Ileal	20.2%	28%	21.4%	31%	31%
Colonic	35.6%	49%	36.3%	24%	24%
Ileocolonic	44.2%	23%	38.8%	45%	45%
Ulcerative colitis
Proctitis	26.8%	32%	29%	32%	37%
Left sided colitis	50.9%	31%	52.8%	27%	32%
Pancolitis	22.3%	31%	18.4%	41%	21%

China, Hong Kong, Indonesia, Macau, Singapore, Sri Lanka, and Thailand.