Table 1 Comparison of clinical features between the relative screening and routinely diagnosed groups.

Features	Screened patients	Routine patients	p value
Male:female	16: 8	35: 70	0.003
(number)
Age (median	33 (17–72)	54 (25–88)	0.0001
and range), years
% under 40	17 (74%)	22 (21%)	0.001
years of age
GI symptoms	13 (57%)	79 (75%)	0.071
Anaemia	3 (13%)	61 (58%)	0.001
Asymptomatic	8 (35%)	0%	0.000
and no anaemia
Osteoporosis at	2 (9%)	23 (22%)	0.244
presentation
Other autoimmune	0%	19 (18%)	0.024
conditions
GI malignancy	0%	3 (3%)	1.000