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Table 4 Cut-off values of each scoring system

From: AIMS65 scoring system is comparable to Glasgow-Blatchford score or Rockall score for prediction of clinical outcomes for non-variceal upper gastrointestinal bleeding

Scoring systemCut-off valueSensitivity, % (95% CI)Specificity, % (95% CI)Low risk (%)High risk (%)P-valueOdds ratio (95% CI)
AIMS65
 Mortality288.2 (63.6–98.5)72.7 (68.6–76.6)0.610< 0.00120.0 (4.5–88.6)
 Serious clinical outcomes251.5 (42.7–60.2)78.6 (74.1–82.6)1846< 0.0013.8 (2.5–5.9)
 Rebleeding241.5 (29.4–54.4)72.5 (68.1–76.6)10.5180.021.8 (1.1–3.2)
 ICU admission262.8 (51.7–73.0)77.5 (73.2–81.3)8.836< 0.0015.8 (3.5–9.5)
 Transfusion requirement135.5 (30.8–40.4)92.2 (85.7–96.4)62.184.6< 0.0013.3 (2.1–5.1)
Pre-endoscopic RS
 Mortality488.2 (63.6–98.5)56.4 (51.9–60.8)0.64.80.013.3 (2.1–5.2)
 Serious clinical outcomes463.4 (54.7–71.6)61.4 (56.3–66.3)14.432.5< 0.0012.8 (1.7–4.5)
 Rebleeding376.9 (64.8–86.5)36.9 (32.4–41.6)8.315.10.031.9 (1.1–3.5)
 ICU admission472.1 (61.4–81.2)60.3 (55.5–65.0)7.222< 0.0013.6 (1.9–6.7)
 Transfusion requirement371.3 (66.6–75.7)57.4 (47.8–66.6)63.385.2< 0.0013.3 (2.1–5.1)
Rockall Score
 Mortality776.5 (50.1–93.2)67.1 (62.7–71.2)1.27.4< 0.0016.6 (2.1–20.6)
 Serious clinical outcomes676.1 (68.0–83.1)54.2 (49.1–59.3)13.537.1< 0.0013.7 (2.4–5.9)
 Rebleeding672.3 (59.8–82.7)48.9 (44.3–53.7)7.617.1< 0.0012.5 (1.4–4.4)
 ICU admission760.5 (49.3–70.8)70.9 (66.3–75.2)10.129.5< 0.0013.7 (2.3–6.0)
 Transfusion requirement575.8 (71.3–80.0)60.8 (51.3–69.8)57.887< 0.0014.8 (3.1–7.5)
GBS
 Mortality1182.4 (56.6–96.2)53.3 (48.8–57.8)1.15.70.015.33 (1.5–18.7)
 Serious clinical outcomes1075.4 (67.2–82.4)49.5 (44.3–54.6)1534.6< 0.0013.00 (1.93–4.6)
 Rebleeding1067.7 (54.9–78.8)44.5 (39.8–49.3)9.515.10.08a1.6 (0.9–2.9)
 ICU admission1175.6 (65.1–84.2)57.8 (52.9–62.5)7.926.5< 0.0014.2 (2.4–7.1)
 Transfusion requirement882.4 (78.3–86.0)71.3 (62.1–79.4)46.190.8< 0.00111.6 (7.1–18.7)
  1. P-value denotes the Fisher exact test, which was used to compare low and high-risk groups
  2. aDid not reach statistical significance