Does Preendoscopy Rockall Score Safely Identify Low Risk Patients following Upper Gastrointestinal Haemorrhage?
Table 3
Sensitivity and specificity of a preendoscopy Rockall score of zero.
Requirement for intervention (95% CI)
Rebleeding within 14 days (95% CI)
Death within 30 days (95% CI)
Sensitivity
91.7% (86.7–95.3)
95.7% (78.1–99.9)
94.4% (72.7–99.9)
Specificity
13.0% (8.8–18.4)
11.2% (8.2–14.9)
11.1% (8.1–14.7)
Positive predictive value
48.0% (42.6–53.4)
6.4% (4.0–9.5)
4.9% (2.9–7.8)
Negative predictive value
64.3% (48.0–78.4)
97.6% (87.4–99.9)
97.6% (87.4–99.9)
Data are from 388 patients admitted with upper gastrointestinal haemorrhage over 5 years (2006–2011). Interventions include blood transfusion and endoscopic or surgical intervention.
