Research Article
International Normalized Ratio-to-Albumin Ratio as a Novel Marker of Upper Gastrointestinal Bleeding Severity
Table 4
Predictive variables of mortality.
| | Variables | AUC (95% CI) | Cutoff | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) |
| | PTAR | 0.816 (0.780–0.849) | >0.358 | 85.71 (69.7–95.2) | 64.88 (60.4–69.1) | 15.0 (12.8–17.5) | 98.4 (96.5–99.3) | | GBS | 0.657 (0.614–0.697) | >5 | 94.29 (80.8–99.3) | 29.55 (25.5–33.8) | 8.8 (8.1–9.7) | 98.6 (94.9–99.6) | | AIMS65 score | 0.764 (0.725–0.800) | >1 | 68.57 (50.7–83.1) | 69.63 (65.3–73.7) | 14.0 (11.2–17.5) | 96.8 (94.9–98.0) | | Rockall score (pre-endoscopy) | 0.736 (0.696–0.773) | >3 | 94.29 (80.8–99.3) | 43.39 (38.9–47.9) | 10.7 (9.7–11.9) | 99.1 (96.5–99.8) | | Rockall score (complete) | 0.741 (0.701–0.778) | >6 | 82.86 (66.4–93.4) | 61.78 (57.3–66.1) | 13.6 (11.5–15.9) | 98.0 (96.0–99.0) |
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AUC, area under the curve; CI, confidence interval; PPV, positive predictive value; NPV, negative predictive value; PTAR, prothrombin time-international normalized ratio-to-albumin ratio; GBS, Glasgow–Blatchford score; AIM65, albumin, international normalized ratio, mental status, systolic blood pressure, age >65 years.
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