| All | Sham | GJ | GJD | RYGB | RYGB-V | |
| Na | 32 | 2 | 10 | 7 | 8 | 5 |
| (9 to OR) | (4 to OR) | |||||
| N completing protocol/ N having GI surgery | 23/30 | 1/2 | 8/9 | 6/7 | 6/8 | 1/2 |
| (%) | 77% | 50% | 89% | 86% | 75% | 50% |
| Mean Postoperative survival, days | 56.5 | 68.5 | 59.8 | 57.8 | 61.2 | 34 |
| Death | 9 | |||||
| Intraoperative or immediate postoperative | 5 | 1 | 2 | 0 | 2 | |
| During catheter placement | 3 | 1 cardiac arrest during catheter replacement, POD 75 | 1 cardiac arrest during initial catheter placement | |||
| 1 respiratory arrest during catheter replacement, POD 57 | ||||||
| During GI surgery | 1 | 1 cardiac arrest during initial surgery | ||||
| During re-exploration | 1 | 1 explored for leak POD7, died of intra-operative hemorrhage | ||||
| Death prior to completion of study period | 4 | 1 died POD 5, pancreatitis | 1 euthanized for eviceration on POD 35 | 1 euthanized for prolonged difficult recovery and decreased PO intake on POD11 | ||
| 1 died POD 63, presumed C. diff |