ABC Score (GI Bleeding Mortality)

ABC Score (GI Bleeding 30-day Mortality)

Estimates 30-day mortality risk in adults with acute upper or lower gastrointestinal bleeding from age, three blood tests, and four clinical findings, stratifying into low, medium, or high risk for early triage; the Laursen GI-bleeding ABC score, distinct from the ABC massive-transfusion score.

Age (years)

Blood urea (mmol/L — serum/blood UREA, NOT BUN)

Serum albumin (g/L — NOT g/dL)

Serum creatinine (µmol/L — NOT mg/dL)

Altered mental status (confusion / reduced GCS)

Liver cirrhosis

Disseminated (metastatic) malignancy

ASA physical status grade