Table 2. Results of the incidence trend analysis of Inflammatory Bowel Disease (IBD), Crohn’s Disease (CD), Ulcerative Colitis (UC) and unclassified IBD (IBD-U) for all patients and separately by gender using joinpoint regression.

disease	gender	APC %	APC 95% CI	p-value	trend
IBD	all	+ 6.3	[ 0.4–12.6]	0.040	significant increase
IBD	male	+ 7.3	[ 0.1–14.9]	0.047	significant increase
IBD	female	+ 5.5	[– 1.5–13.0]	0.108	n.s.
CD	all	+ 5.4	[– 1.9–13.3]	0.129	n.s.
CD	male	+ 5.6	[– 3.1–15.1]	0.180	n.s.
CD	female	+ 5.6	[– 4.1–16.2]	0.227	n.s.
UC	all	+ 6.3	[ 0.1–12.8]	0.046	significant increase
UC	male	+ 8.1	[– 1.3–18.3]	0.084	n.s.
UC	female	+ 3.1	[– 7.7–15.2]	0.538	n.s.
IBD-U	all	no estimate is possible due to zero values in the installments

n.s. = not significant, APC = annual percent change