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Complications in major cases
| Complication | n |
| Chest infection | 18/71 (25.4%) |
| Urinary tract infection | 17/71 (23.9%) |
| Wound infection | 15/71 (21.1%) |
| Renal failure | 17/71 (23.9%) |
| Transfusion required | 12/71 (16.9%) |
| Positive blood culture | 5/71 (7.0%) |
| Raised serum troponin | 4/71 (5.6%) |
| Readmission | 8/71 (11.3%) |
| Anastomotic leak | 1/30 (3.3%) |
| Stroke, venous thromboembolism | 0 (0%) |
