Table 3.
Comparison of RS, pRS, GBS, AIMS65, and ABC scores (from the study by Oakland et al. [46] with modification)
| Score | Parameters | External validation AUROC |
||||
|---|---|---|---|---|---|---|
| Mortality | Rebleeding | Endoscopic intervention | Surgery or interventional radiology | Blood transfusion | ||
| RS | Age, shock, co-morbidity, diagnosis (endoscopic), evidence of bleeding (endoscopic) | 0.66–0.73 | 0.52–0.64 | 0.76 | 0.64 | 0.70–0.76 |
| pRS | Age, shock, co-morbidity | 0.64–0.93 | 0.52–0.66 | 0.51–0.75 | 0.49–0.62 | 0.59–0.75 |
| GBS | Blood urea, hemoglobin, sBP, heart rate, melena, syncope, hepatic, and cardia diseases | 0.63–0.80 | 0.56–0.71 | 0.58–0.78 | 0.61–0.71 | 0.70–0.93 |
| AIMS65 | Albumin, INR, mental status, sBP, age | 0.69–0.91 | 0.57–0.60 | 0.75 | NR | 0.66–0.76 |
| ABC | Age, urea, albumin, creatinine, co-morbidities (altered mental status, liver cirrhosis, disseminated malignancy, American Association of Anesthesiologists score) | 0.78–0.85 | 0.58 | 0.68 | NR | 0.61 |
RS, Rockall Score; pRS, Pre-endoscopy Rockall; GBS, Glasgow-Blatchford score; AIMS65, Albumin, INR, mental status, sBP, and age ≥65 years; ABC, Age, Blood tests, and Co-morbidities; AUROC, Area Under the Receiver-Operating Characteristics; sBP, systolic blood pressure; NR, not reported; INR, International Normalized Ratio; HR, heart rate.