Evaluation of Six Preendoscopy Scoring Systems to Predict Outcomes for Older Adults with Upper Gastrointestinal Bleeding

Table 1

The ABC score.

Variable	Value
Age
60-74years	1
≥75years	2
Blood tests
mmol/L	1
g/L	2
Creatinine
100-150 μmol/L	1
>150 μmol/L	2
Comorbidity
Altered mental status	2
Liver cirrhosis	2
Disseminated malignancy	4
ASA score
3	1
≥4	3

ABC: age, blood tests, and comorbidities; ASA: American Society of Anesthesiologists.