Table 2. Gastric findings in patients with a pathogenic variant in SMAD4.

	15–20 years	20–29 years	30–39 years	40–49 years	50–59 years	60–69 years	70 + years	P value
Edema	0/1	2/6 (33 %)	6/8 (75 %)	6/6 (100 %)	5/5 (100 %)	2/2 (100 %)	0/1	0.022
Vulnerability	0/1	0/6 (0 %)	4/8 (50 %)	4/6 (66 %)	5/5 (100 %)	2/2 (100 %)	0/1	0.016
Erythema	0/1	4/6 (66 %)	5/8 (63 %)	6/6 (100 %)	4/5 (80 %)	2/2 (100 %)	0/1	0.177
Polyposis	0/1	1/6 (17 %)	6/8 (75 %)	5/6 (83 %)	4/5 (80 %)	2/2 (100 %)	1/1	0.076
Localized polyposis	0/1	1/6 (17 %)	2/8 (25 %)	1/6 (17 %)	0/5 (0 %)	0/2 (0 %)	1/1	0.339
Diffuse polyposis	0/1	0/6(0 %)	4/8 (50 %)	4/6 (67 %)	4/5 (80 %)	2/2 (100 %)	0/1	0.053