Admission parameters Score
Heart rate (beat/minute) ≥100 1
Systolic blood pressure (mmHg)
100-109
90-99
<90

1
2
3
Blood urea (mg/dL)
19-22.3
22.4-27.9
28.0-69.9
≥ 70.0

2
3
4
6
Haemoglobin g/dL (Men)
≥ 12-13
10-11.9
<10

1
3
6
Haemoglobin g/dL (Women)
≥ 10-12
<10

1
6
Clinical presentation
Syncope
Melaena

2
1
Comorbidities
Hepatic disease
Heart failure

2
2
Table 2: The Blatchford Risk Scoring System [27].