Infections Requiring Hospitalization as Predictors of Pediatric-Onset Crohn’s Disease and Ulcerative Colitis
Table 1
Demographics of cases and age and membership matched controls.
Crohn’s disease
Ulcerative colitis
Indeterminate colitis
All IBD
Controls
Number
216
248
37
501
9,442
Gender, %
Female
44.4
48.8
37.8
46.1
49.1
Race, %
Non-Hispanic white
65.7
63.3
43.2
62.9
47.5
Non-Hispanic African-American
10.7
5.2
10.8
8.0
7.3
Hispanic
7.9
16.5
13.5
12.6
14.8
Asian/Pacific Islander
2.8
15.7
13.5
5.0
11.6
Native American
0.5
0.4
0
0.4
0.4
Multiracial
7.4
4.4
10.8
6.2
3.0
Unknown
5.1
4.4
8.1
5.0
15.3
Age at index date, %
0–4
3.7
4.8
10.8
4.8
4.9
5–9
12.0
10.1
18.9
11.6
11.8
10–14
42.6
41.9
37.8
41.9
41.1
15–17
41.7
43.2
32.4
41.7
42.3
IBD, inflammatory bowel disease. Controls were matched to cases on age, sex, and length of enrollment. The index date was defined as the date of the case’s IBD diagnosis for both cases and matched controls.
