Table 2. Age-standardized 15-year prevalence (Prev.) (sex and age specific) of inflammatory bowel disease (IBD), Crohn’s disease (CD), ulcerative colitis (UC) and unclassified IBD (IBD-U) per 100,000 in Saxony.

Cohort	population at risk over 15 years	IBD		CD		UC		IBD-U
		Prev.	[95% CI]	Prev.	[95% CI]	Prev.	[95% CI]	Prev.	[95% CI]
Sex
M-AG 0–9	2,409,044	49.7	[47.0 − 52.4]	30.3	[28.2 − 32.4]	16.6	[15.0 − 18.1]	2.9	[2.2 − 3.5]
M-AG 10–14	1,265,485	276.5	[273.3 − 279.7]	190.5	[187.8 − 193.2]	76.2	[74.5 − 77.9]	9.8	[9.2 − 10.4]
Male	3,674,529	128.1	[113.9 − 142.3]	85.7	[74.0 − 97.3]	37.2	[29.5 − 44.8]	5.3	[2.4 − 8.1]
F-AG 0–9	2,296,509	40.0	[37.5 − 42.5]	25.5	[23.5 − 27.5]	13.3	[11.9 − 14.7]	1.2	[0.8 − 1.6]
F-AG 10–14	1,201,236	197.9	[195.1 − 200.7]	113.1	[111.0 − 115.2]	80.9	[79.2 − 82.7]	3.9	[3.5 − 4.2]
Female	3,497,745	94.7	[82.1 − 107.2]	55.8	[46.2 − 65.4]	36.7	[28.9 − 44.6]	2.1	[0.3 − 4.0]
AG—all patients
AG 0–9	4,705,553	44.9	[43.1 − 46.8]	27.9	[26.5 − 29.4]	15.0	[13.9 − 16.0]	2.0	[1.7 − 2.4]
AG 10–14	2,466,721	238.1	[235.9 − 240.2]	152.6	[150.9 − 154.3]	78.5	[77.3 − 79.7]	6.9	[6.5 − 7.3]
Total	7,172,274	111.8	[102.3 − 121.3]	71.1	[63.5 − 78.7]	37.0	[31.5 − 42.4]	3.7	[2.0 − 5.5]
Supplementary AG
M-AG 0–4	1,263,805	34.1	[33.1 − 35.1]	20.9	[20.1 − 21.7]	11.0	[10.4 − 11.6]	2.2	[2.0 − 2.5]
M-AG 5–9	1,145,239	64.9	[63.4 − 66.3]	39.4	[38.3 − 40.5]	22.0	[21.2 − 22.9]	3.5	[3.1 − 3.8]
F-AG 0–4	1,203,731	19.7	[18.9 − 20.4]	11.6	[11.0 − 12.2]	6.9	[6.5 − 7.4]	1.2	[1.0 − 1.4]
F-AG 5–9	1,092,778	59.8	[58.4 − 61.2]	39.1	[37.9 − 40.2]	19.5	[18.7 − 20.4]	1.2	[1.0 − 1.4]
AG 0–4	2,467,536	27.1	[26.4 − 27.7]	16.4	[15.9 − 16.9]	9.0	[8.7 − 9.4]	1.7	[1.5 − 1.9]
AG 5–9	2,238,017	62.4	[61.4 − 63.4]	39.2	[38.4 − 40.0]	20.8	[20.2 − 21.4]	2.4	[2.2 − 2.6]

M = male, F = female; source of population data [31]. The numbers of cases (n) in Table 2 are identical to Table 1 and therefore omitted here.