Mortality by pre-endoscopy (clinical) Rockall score, all patients
| Clinical Rockall Score (n=6750) | 0 (1240) | 1 (1065) | 2 (946) | 3 (1088) | 4 (1257) | 5 (757) | 6 (335) | 7 (62) |
| Deaths (n) | 5 | 20 | 57 | 80 | 173 | 175 | 132 | 33 |
| Mortality (%) | 0.4 | 1.9 | 6.0 | 7.4 | 14 | 23 | 39 | 53 |
| Mortality ratio relative to score of zero (95% CI)* | 1.0 reference | 4.7 (1.8 to 12) | 15 (6.1 to 37) | 18 (7.9 to 42) | 34 (14 to 81) | 57 (24 to 135) | 98 (42 to 229) | 132 (55 to 317) |
* Ratios adjusted for hospital clustering effects using binary regression (see statistical methods).