Research Article
International Normalized Ratio-to-Albumin Ratio as a Novel Marker of Upper Gastrointestinal Bleeding Severity
Table 3
Predictive variables of ICU admission.
| Variables | AUC (95% CI) | Cutoff | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) |
| PTAR | 0.720 (0.679–0.758) | >0.320 | 74.23 (66.8–80.8) | 58.43 (53.1–63.6) | 45.0 (41.2–48.8) | 83.2 (79.0–86.7) | GBS | 0.653 (0.610–0.694) | >6 | 84.66 (78.2–89.8) | 41.01 (35.9–46.3) | 39.7 (37.1–42.3) | 85.4 (79.9–89.5) | AIMS65 score | 0.656 (0.613–0.697) | >1 | 51.53 (43.6–59.4) | 75.56 (70.8–79.9) | 49.1 (43.3–55.0) | 77.3 (74.2–80.1) | Rockall score (pre-endoscopy) | 0.617 (0.574–0.659) | >4 | 39.26 (31.7–47.2) | 78.09 (73.4–82.3) | 45.1 (38.4–51.9) | 73.7 (71.0–76.3) | Rockall score (complete) | 0.670 (0.628–0.710) | >5 | 76.69 (69.4–82.9) | 49.44 (44.1–54.8) | 41 (37.8–44.2) | 82.2 (77.5–86.2) |
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ICU, intensive care unit; 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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