Table 2.

Patient characteristics

	Patient 1	Patient 2	Patient 3	Patient 4	Patient 5
Gender	female	female	male	male	male
Age, years	37	56	83	78	48
Duration of endoscopy	>1 h	>1 h	>1 h	<1 h	>1 h
Etiology of GI bleeding	esophageal varices	stomach ulcer	gastric cancer	duodenal ulcers	esophageal varices
Intubation	+	+	+	+	+
Laparotomy	+	–	+	–	+
CT scan	–	+	+	–	–
Rumenocentesis	–	–	–	+	+
30-day survival	+	+	–	+	–