Clinical characteristics of Helicobacter pylori-negative drug-negative peptic ulcer bleeding

Table 2 Univariate and multivariate analysis between idiopathic and Helicobacter pylori-associated peptic ulcer bleeding

	Idiopathic PUB (n = 20)	Helicobacter pylori-associated PUB (n = 108)	P value1	OR (95%CI)1	P value2	OR (95%CI)2
Age			0.71	1.224 (0.43-3.49)	0.94	1.04 (0.34-3.18)
≥ 60 yr	6	28
< 60 yr	14	80
Ulcer size			0.06	2.55 (0.96-6.77)	0.15	2.13 (0.76-5.95)
≥ 1.0 cm	12	40
< 1.0 cm	8	68
Re-bleeding case upon admission
Yes	6	8	< 0.01	5.36 (1.62-17.74)	0.02	4.56 (1.34-15.54)
No	14	100

¹P value and OR (95%CI) by univariate logistic regression analysis;

²P value and OR (95%CI) by multivariate logistic regression analysis. PUB: Peptic ulcer bleeding.