Development and validation of a model to predict rebleeding within three days after endoscopic hemostasis for high-risk peptic ulcer bleeding

Table 4 Multivariate regression analysis

Variables	B	S.E.	OR	Lower 95% CI	Higher 95% CI	P value
Albumin	− 0.21	0.4	0.811	0.371	1.774	0.6
PT	1.763	0.43	5.828	2.507	13.548	0.001
Shock	1.873	0.402	6.508	2.959	14.318	0.001
Haematemesis/Melena	− 1.363	0.437	0.256	0.109	0.602	0.002
Forrest classification	− 0.281	0.205	0.755	0.506	1.128	0.171
C-index
Primary cohort					0.854
Internal validation (with 1000 bootstrap samples per model)					0.830

ISSN: 1471-230X