Asymptomatic small intestinal ulcerative lesions: Obesity and Helicobacter pylori are likely to be risk factors

Table 2 Basic background of the two examinations whose background was examined in detail

Ref.	Number	Sex (M/F)	Age (mean ± SD)	Mean mucosal break
Fujimori et al[4], 2011	77	77/0	38.2 ± 8.1	0.12 ± 0.32
Fujimori et al[5], 2016	145	71/74	48.6 ± 6.4	0.30 ± 1.47
Total	222	148/74	45.0 ± 8.6	0.24 ± 1.21

Premedication capsule endoscopy was completed, and subjects who dropped out in subsequent studies were included.