An External Validation Study of the Oakland and Glasgow-Blatchford Scores for Predicting Adverse Outcomes of Acute Lower Gastrointestinal Bleeding in an Asian Population

Table 1

Components of the Oakland, SALGIB, and Blatchford scores.

Oakland score		SALGIB score		Blatchford score
Age (years)		Heart rate (bpm)		Heart rate (bpm)
<40	0	<100	0	<100	0
40–69	1	≥100	1	≥100	1
≥70	2	SBP (mmHg)		SBP (mmHg)
Sex		≥100	0	≥110	0
Female	0	<100	3	100–109	1
Male	1	Hematocrit (%)		90–99	2
Previous ALGIB admission		≥35	0	<90	3
No	0	30–34.9	1	Blood urea nitrogen (mg/dL)
Yes	1	25–29.9	3	<19	0
DRE findings		<25	5	≥19 and <22.4	2
No blood	0	Platelet count (10^3/μL)		≥22.4 and <28	3
Blood	1	>150	0	≥28 and <70	4
Heart rate (bpm)		≤150	1	≥70	6
<70	0			Hemoglobin (male) (g/L)
70–89	1			≥130	0
90–109	2			≥120 and <130	1
≥110	3			≥100 and <120	3
SBP (mmHg)				<100	6
<90	5			Hemoglobin (female) (g/L)
90–119	4			≥120	0
120–129	3			≥100 and <120	1
130–159	2			<100	6
≥160	0			Chronic disease
Hemoglobin (g/L)				Hepatic disease	2
<70	22			Cardiac failure	2
70–89	17			Melena
90–109	13			No	0
110–129	8			Yes	1
130–159	4			Syncope
≥160	0			No	0
				Yes	2

ALGIB: acute lower gastrointestinal bleeding; DRE: digital rectal examination; SBP: systolic blood pressure.