Table 1.

Demographics

Age	Number of patients (male:female)	Endoscopy n (%)	CT n (%)	Final diagnosis of BAD n (%)	Final diagnosis of IBD n (%)	Final diagnosis of IBS n (%)	Final diagnosis unknown n (%)
20–25	9 (0:9)	6 (2.9%)	1 (0.5%)	7 (3.5%)	0	1 (0.5%)	0
26–30	13 (0:12)	8 (3.9%)	4 (1.9%)	11 (5.4%)	0	0	2 (0.9%)
31–35	11 (0:11)	5 (2.5%)	1 (0.5%)	7 (3.5%)	1 (0.5%)	0	2 (0.9%)
36–40	17 (2:13)	9 (4.5%)	5 (2.5%)	10 (4.9%)	0	1 (0.5%)	2 (0.9%)
41–45	27 (4:23)	17 (8.4%)	8 (3.9%)	14 (6.9%)	0	1 (0.5%)	8 (3.9%)
46–50	25 (3:22)	15 (7.4%)	6 (2.9%)	18 (8.9%)	1 (0.5%)	1 (0.5%)	1 (0.5%)
51–55	26 (7:19)	16 (7.9%)	6 (2.9%)	15 (7.4%)	0	3 (1.5%)	4 (1.9%)
56–60	19 (4:15)	13 (6.4%)	6 (2.9%)	12 (5.9%)	0	1 (0.5%)	4 (1.9%)
61–65	21 (7:14)	14 (6.9%)	12 (5.9%)	9 (4.5%)	1 (0.5%)	0	8 (3.9%)
66–70	11 (4:7)	11 (5.4%)	6 (2.9%)	8 (3.9%)	0	1 (0.5%)	1 (0.5%)
71–75	15 (5:10)	11 (5.4%)	7 (3.5%)	10 (4.9%)	1 (0.5%)	0	3 (1.5%)
76–80	7 (4:3)	2 (0.9%)	5 (2.5%)	4 (1.9%)	0	0	1 (0.5%)
81–85	2 (0:2)	2 (0.9%)	2 (0.9%)	1(0.5%)	0	0	1 (0.5%)
86–90	2 (2:0)	1 (0.5%)	0	1 (0.5%)	0	0	1 (0.5%)