n | Procedure-specific risk of bleeding1 | Major postoperative bleeding | |||||
---|---|---|---|---|---|---|---|
Mild (category 2) | Moderate (category 3) | Major (category 4) | Critical (category 5) | Bridging group | Control group | ||
Surgery by organ | |||||||
Colorectal | 163 (31%) | 34% | 45% | 20% | 1% | 8 (9.8%) | 1 (1.2%) |
Hernia | 102 (19%) | 96% | 4% | – | – | 4 (7.2%) | 0 |
Gallbladder | 64 (12%) | 84% | 16% | – | – | 2 (6.3%) | 1 (3.1%) |
Thyroid | 54 (10%) | 30% | 70% | 0 | 0 | ||
Lymphatic | 43 (8%) | 19% | 81% | – | – | 1 (5.3%) | 0 |
Liver | 32 (6%) | 3% | 6% | 72% | 19% | 1 (6.3%) | 0 |
Stomach | 30 (6%) | 3% | 37% | 43% | 17% | 2 (6.3%) | 0 |
Other abdomen (e.g., adrenal gland) | 24 (5%) | 13% | 75% | 8% | 4% | 2 (14.3%) | 0 |
Pancreas | 14 (3%) | – | – | 7% | 93% | 2 (14.3%) | 0 |
Major postoperative bleeding | |||||||
Bridging group | 5 (4.1%) | 8 (8.9%) | 7 (17.5%) | 2 (16.7%) | |||
Control group | 0 | 1 (1%) | 1 (3.1%) | 0 |