Table 6.

Univariate and multivariate analysis of risk factors for 30-day mortality of UGIB

Factors	Kaplan–Meier	Cox multivariate analysis
	P value	Hazard ratio	95% CI		P value
Age, > 70 years	0.66	1.03	0.44	2.51	0.94
Sex, male	0.43	1.38	0.61	3.43	0.45
Using antithrombotic agents	0.74	1.01	0.42	2.29	0.97
Chronic liver damage	0.41	1.56	0.61	3.71	0.34
Malignant diseases	0.20	0.54	0.18	1.34	0.19
AIMS65 score ≥ 2	0.74	0.97	0.43	2.15	0.97
Systolic blood pressure, < 110 mmHg	0.24	1.48	0.67	3.29	0.33
RBC transfusion	0.01	4.45	1.50	19.11	< 0.01
Peptic ulcer	0.66	0.68	0.32	1.47	0.33
Sedation endoscopy	0.41	1.39	0.64	3.02	0.40
Successful endoscopic hemostasis	0.65	1.02	0.22	3.14	0.98
Mean procedure time, 20 > min	0.82	1.08	0.49	2.33	0.84
Aspiration pneumonia	0.54	0.99	0.23	2.91	0.99
Rebleeding	0.01	3.30	1.14	8.36	0.03

UGIB upper gastrointestinal bleeding, RBC red blood cell, 95% CI 95% confidence interval