Incidence and clinical features of endoscopic ulcers developing after gastrectomy

Table 3 Comparison of marginal ulcers according to causative disease

	Marginal ulcersin patients witha history of PUD(n = 38)	Marginal ulcers inpatients withouta history of PUD(n = 34)	P value
Age (yr)	62.87 ± 13.67	63.47 ± 13.03	0.85
Sex (male/female)	31:7	22:12	0.10
Anastomosis
B-I/B-II/others	3/35/0	6/25/3	0.06
Clinical symptoms
Bleeding episode	10	7	0.04
Severe anemia	10	3
Location
Efferent side/ anastomosis/both	20/15/3	16/17/1	0.50
Initial hemoglobin (g/dL)	8.83 ± 2.83	11.04 ± 3.73	0.03
Admission (case)	25	13	0.01
Rebleeding during admission	4	3	0.87
Ulcer recurrence	9	11	0.41
H. pylori infection (%)	9/25 (36)	7/24 (29.2)	0.61

H. pylori: Helicobacter pylori; PUD: Peptic ulcer disease; B: Billroth.