Classification table for the CAN-BLEED score: main model (with CT)
| Score cut-off | No. of patients | Sensitivity (95% CI) | Specificity (95% CI) | Positive predictive value (95% CI) | Negative predictive value (95% CI) | Predicted probability at score, % |
|---|---|---|---|---|---|---|
| 0 | 890 | 100 (97.3 to 100.0) | 0 (0 to 0) | 14.9 (12.7 to 17.5) | NA | 14.9 |
| 1 | 520 | 99.3 (95.9 to 100.0) | 48.8 (45.1 to 52.4) | 25.4 (21.7 to 29.4) | 99.7 (98.5 to 100.0) | 25.4 |
| 2 | 333 | 97.7 (93.6 to 99.5) | 73.2 (69.9 to 76.3) | 39.0 (33.8 to 44.5) | 99.5 (98.4 to 99.9) | 39.0 |
| 3 | 223 | 90.9 (84.8 to 95.3) | 86.5 (83.9 to 88.9) | 54.3 (47.5 to 60.9) | 98.2 (96.9 to 99.1) | 54.3 |
| 4 | 137 | 72.2 (63.8 to 79.6) | 94.6 (92.7 to 96.1) | 70.1 (61.7 to 77.6) | 95.1 (93.3 to 96.5) | 70.1 |
| 5 | 69 | 42.1 (33.6 to 51.0) | 98.3 (97.4 to 99.2) | 81.2 (69.9 to 89.6) | 90.6 (88.4 to 92.5) | 81.2 |
| 6 | 37 | 23.3 (16.4 to 31.4) | 99.2 (98.3 to 99.7) | 83.8 (68.0 to 93.8) | 88.0 (85.7 to 90.1) | 83.8 |
| 7 | 7 | 5.3 (2.1 to 10.5) | 100 (99.5 to 100.0) | 100 (59.0 to 100.0) | 85.7 (83.3 to 88.0) | 100.0 |
| 8 | 0 | 0 (0 to 0) | 100 (99.5 to 100.0) | NA | 85.1 (82.5 to 87.3) | NA |
CI = confidence interval; CT = computed tomography; NA = not applicable.