TABLE 2.

Inflammatory bowel disease incidence by age and sex in newly diagnosed children (0–18 years of age) with inflammatory bowel disease, Crohn disease, ulcerative colitis, and inflammatory bowel disease-unclassified in the South Moravian Region, 2002 to 2017

Incidence per 100,000/year	IBD	CD	UC	IBD-U
Age
0–18
N	358	192	123	43
Mean (95% CI)	9.8 (8.8--10,9)	5.2 (4.5--6.0)	3.4 (2.8--4.0)	1.2 (0.9--1.6)
0–15
N	257	135	92	30
Mean (95% CI)	8.6 (7.6--9.8)	4.5 (3.8--5.4)	3.1 (2.5--3.8)	1.1 (0.7--1.5)
0–6
N	26	14	7	5
Mean (95% CI)	2.0 (1.3--3.0)	1.1 (0.6--1.8)	0.5 (0.2--1.1)	0.4 (0.1--0.9)
7–18
N	332	178	116	38
Mean (95% CI)	14.7 (13.1--16.3)	7.8 (6.6--9.0)	5.2 (4.3--6.2)	1.7 (1.2--2.3)
Gender
Male
N	190	104	65	21
Mean (95% CI)	10.1 (8.7--11.7)	5.5 (4.4--6.7)	3.4 (2.6--4.4)	1.2 (0.7--1.8)
Female
N	168	88	58	22
Mean (95% CI)	9.5 (8.1--11.1)	4.9 (3.9--6.1)	3.3 (2.5--4.3)	1.3 (0.8--1.9)

CD = Crohn disease; CI = confidence interval; IBD = inflammatory bowel disease; IBD-U = inflammatory bowel disease-unclassified; UC = ulcerative colitis.