Table 2.
Distribution of Age at Disease Symptom Onset, by Racial/Ethnic group (African-American, non-African-American)
| All IBD N=1406 (100%) | CD N=860 (61%) | UC N=409 (29%) | IC N=137 (10%) | |||||
|---|---|---|---|---|---|---|---|---|
| Age Group | AA N=138 (10%) | Non-AA N=1268 (90%) | AA N=107 (12%) | Non-AA N=753 (88%) | AA N=25 (6%) | Non-AA N=384 (94%) | AA N=6 (4%) | Non-AA N=131 (96%) |
| <6 years N=472 (30%) | 14 (10%) | 240 (19%) | 10 (9%) | 103 (14%) | 3 (12%) | 92 (24%) | 1 (17%) | 45 (34%) |
| 6–12 years N=695 (44%) | 60 (43%) | 644 (51%) | 49 (46%) | 410 (54%) | 8 (32%) | 179 (47%) | 3 (50%) | 55 (42%) |
| >12 years N=420 (26%) | 64 (46%) | 384 (30%) | 48 (45%) | 240 (32%) | 14 (56%) | 113 (29%) | 2 (33%) | 31 (24%) |
|
| ||||||||
| Total N=1587 (100%) | 138 (100%) | 1268 (100%) | 107 (100%) | 753 (100%) | 25 (100%) | 384 (100%) | 6 (100%) | 131 (100%) |