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Table 5 Ability to predict need of interventions and 30-day mortality

From: Evaluation of scoring systems without endoscopic findings for predicting outcomes in patients with upper gastrointestinal bleeding

Outcomes System Cutoff Sensitivity, % Specificity, % PPV, % NPV, %
Interventions GBS >6 93.21 13.23 49.2 68.3
GBS >7 79.64 18.06 46.8 49.6
GBS >8 75.36 52.26 58.8 70.1
GBS >9 73.57 82.90 79.5 77.6
GBS >10 61.43 86.45 80.4 71.3
GBS >11 50.71 89.68 81.6 66.8
GBS >12 36.07 90.00 76.5 60.9
mGBS >6 92.86 13.55 49.2 67.7
mGBS >7 78.93 18.06 46.5 48.7
mGBS >8 73.57 55.81 60.1 70.0
mGBS >9 70.71 89.35 85.7 77.2
mGBS >10 46.07 89.35 79.6 64.7
mGBS >11 33.21 89.68 74.4 59.8
mGBS >12 31.79 99.68 98.9 61.8
30-day mortality Pre-E RS >2 92.0 84.07 20.4 99.6
Pre-E RS >3 88.0 90.62 29.3 99.4
Pre-E RS >4 88.0 97.52 61.1 99.5
Pre-E RS >5 32.0 98.94 57.1 97.0
Pre-E RS >6 32.0 99.12 61.5 97.1
  1. PPV positive predictive value, NPV negative predictive value, GBS Glagow Blatchford Score, mGBS modified Glagow Blatchford Score, Pre-E RS Pre-Endoscopy Rockall score