Table 2.
Perioperative factors and postoperative complications.
| RYGB | SADI | BPD-DS | p-Value | |
|---|---|---|---|---|
| n (%) | n = 5734 | n = 642 | n = 1012 | |
| Operative time, minutes mean ± SD |
141.0 (66.1) | 149.1 (67.8) | 148.8 (63.0) | <0.001 |
| Robotic-assisted | 1233 (21.5) | 194 (30.2) | 353 (34.9) | <0.001 |
| Concurrent paraesophageal hernia repair | 1389 (24.2) | 98 (15.3) | 145 (14.3) | <0.001 |
| Concurrent lysis of adhesions | 118 (2.1) | 36 (5.6) | 8 (0.8) | <0.001 |
| Length of stay, days | ||||
| median (interquartile range) | 1 (1) | 1 (1) | 1 (1) | 0.008 |
| Anastomotic leak | 31 (0.5) | 10 (1.6) | 13 (1.3) | 0.001 |
| Postoperative bleeding | 91 (1.6) | 6 (0.9) | 10 (1.0) | 0.177 |
| Reoperation | 139 (2.4) | 17 (2.7) | 27 (2.7) | 0.862 |
| Non-operative intervention | 112 (2.0) | 9 (1.4) | 18 (1.8) | 0.601 |
| Readmission | 365 (6.4) | 32 (5.0) | 59 (5.8) | 0.343 |
| Cardiac events | 5 (0.1) | 1 (0.2) | 0 (0.0) | 0.525 |
| Pneumonia | 23 (0.4) | 1 (0.2) | 3 (0.3) | 0.575 |
| Unplanned intubation | 8 (0.1) | 0 (0.0) | 2 (0.2) | 0.558 |
| Acute kidney injury | 6 (0.1) | 0 (0.0) | 0 (0.0) | 0.421 |
| Venous thromboembolism | 18 (0.3) | 2 (0.3) | 4 (0.4) | 0.914 |
| Deep surgical site infection | 56 (1.0) | 10 (1.6) | 18 (1.8) | 0.049 |
| Wound disruption | 5 (0.1) | 0 (0.0) | 1 (0.1) | 0.746 |
| Sepsis | 21 (0.4) | 0 (0.0) | 5 (0.5) | 0.236 |
| Cerebrovascular accident | 0 (0.0) | 1 (0.2) | 0 (0.0) | 0.005 |
| Serious complications | 337 (5.9) | 32 (5.0) | 61 (6.0) | 0.628 |
| Death | 6 (0.1) | 0 (0.0) | 1 (0.1) | 0.715 |
RYGB, conversion from sleeve gastrectomy to Roux-en-Y gastric bypass; SADI, conversion from sleeve gastrectomy to single-anastomosis duodeno-ileal bypass; BPD-DS, conversion from sleeve gastrectomy to biliopancreatic diversion with duodenal switch.