Table 1.

Factors and scoring algorithms included in GBS, RS and AIMS65

	Admission clinical factor	Parameter	Score
GBS	BUN (mmol/L)	6.5–7.9	2
		8.0–9.9	3
		10.0–24.9	4
		≥ 25.0	6
	Hemoglobin level (g/dL)	Male: ≥ 12 to < 13	1
		Female: ≥ 10 to < 12	1
		Male: ≥ 10 to < 12	3
		Male: < 10, female: < 10	6
	SBP (mm Hg)	≥ 100 to < 109	1
		≥ 90 to < 100	2
		< 90	3
	Other marker	HR ≥ 100 bpm	1
		Melena	1
		Syncope	2
		Hepatic disease or cardiac failure	2
RS	Age (yr)	< 60	0
		60–79	1
		≥ 80	2
	Shock	HR > 100 bpm	1
		SBP < 100 mmHg	2
	Comorbidity	IHD, CHF, any major comorbidity renal failure, liver failure	2
		metastatic malignancy	3
	Endoscopic finding	Mallory-Weiss tear or no lesion	0
		Peptic ulcer disease, erosive esophagitis	1
		Malignancy	2
	Stigmata of recent hemorrhage	Clean-based ulcer, flat pigmented spot	0
		Blood in upper gastrointestinal tract, clot, visible vessel, bleeding	2
AIMS65	Albumin (g/dL)	< 3.0	1
	INR	> 1.5	1
	Mental status	Altered	1
	SBP (mm Hg)	≤ 90	1
	Age (yr)	≥ 65	1

GBS glasgow-blatchford score, BUN blood urea nitrogen level, SBP systolic blood pressure, HR heart rate, RS rockall risk score, IHD ischemic heart disease, CHF congestive heart failure, INR international normalized ratio, AIMS65 AIMS65 score