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Leak rate by reinforcement type for gastric bypass
| Buttress material | Number of study arms | Event rate (high to low) | Number of patients |
|---|---|---|---|
| None | 81 | 2.60 % | 22,065 |
| Oversuture | 45 | 2.44 % | 13,614 |
| Glycolide copolymer | 19 | 1.88 % | 1843 |
| Bovine pericardium | 25 | 1.00 % | 5160 |
Bovine pericardium versus none—p < 0.001; bovine pericardium versus oversuture—p < 0.001; bovine pericardium versus glycolide copolymer—p < 0.05
