Epidemiology of inflammatory bowel disease in racial and ethnic migrant groups

Table 9 Ulcerative colitis in AA and Hispanic groups (1787 cases)

Study	Country (Region)	Time period	Number of cases	Disease extent	Ethnic groups, %
					AA	Caucasian	Hispanic
Adult studies
Basu (2005)[32]	United States (Texas)	1999-2003	61	E1	-	32.0	8.0
				E2 + 3	-	68.0	86.0
Nguyen (2006)[24]	United States (National database)	2003-2005	396	E1	13.8	5.9	3.6
				E2	16.4	31.4	34.5
				E3	51.7	62.7	80.0
Eidelwein (2007)[25]	United States (Baltimore)	1991-2000	40	E1 + 2	0.0	10.0	-
				E3	100.0	23.0	-
Moore (2012)[33]	United States (Ohio)	2000-2010	311	E1	14.5	6.5	-
				E2	44.7	30.7	-
				E3	40.8	62.9	-
Sofia (2014)[40]	United States (Chicago)	2008-2013	541	E1	17.9	11.1	-
				E2	28.6	32.0	-
				E3	50.0	51.5	-
Damas (2013)[28]	United States (Florida)	1999-2009	138	E1	-	11.8	12.5
				E2	-	29.4	46.2
				E3	-	58.8	41.3
Paediatric
Flasar (2008)[34]	United States (Baltimore)	1997-2005	197	E1	23.0	10.0	-
				E2	23.0	31.0	-
				E3	53.0	59.0	-
Hatter (2012)[26]	United States (Texas)	2004-2009	103	E1 + 2	7.1	15.4	18.8
				E3	81.3	84.6	81.3

Adult and paediatric studies on disease extent. Italic font illustrates significant difference between Hispanic and Population group. Bold font shows significant differences between AA and population group. AA: African-American.