Perioperative factors |
Operative time, min, mean ± SD | 138.5 ± 43.2 | 159.0 ± 45.6 | 136.8 ± 42.6 | < 0.001 |
Length of stay, d, median (IQR) | 2 (1) | 3 (2) | 2 (1) | 0.002 |
Procedure type |
LRYGB | 748 (51.0) | 85 (78.0) | 663 (48.8) | < 0.001 |
LSG | 594 (40.5) | 22 (20.2) | 572 (42.1) | |
LAGB | 126 (8.6) | 2 (1.8) | 124 (9.1) | |
Postoperative complications |
Cardiac events | 34 (2.3) | 6 (5.5) | 28 (2.1) | 0.021 |
Infection | 55 (3.8) | 8 (7.3) | 47 (3.5) | 0.040 |
Renal failure | 5 (0.3) | 3 (2.8) | 2 (0.1) | < 0.001 |
Respiratory failure | 20 (1.4) | 4 (3.7) | 16 (1.2) | 0.031 |
Hypotension | 15 (1.0) | 3 (2.8) | 12 (0.9) | 0.062 |
Delirium | 2 (0.1) | 1 (0.9) | 1 (0.1) | 0.022 |
Leak | 18 (1.2) | 4 (3.7) | 14 (1.0) | 0.016 |
Bleeding | 62 (4.2) | 5 (4.6) | 57 (4.2) | 0.844 |
Venous thromboembolism | 2 (0.1) | 0 | 2 (0.1) | 0.689 |
Reoperation | 54 (3.7) | 11 (10.1) | 43 (3.2) | < 0.001 |
Wound dehiscence | 9 (0.6) | 3 (2.8) | 6 (0.4) | 0.003 |
Unspecified surgical injury | 28 (1.9) | 4 (3.7) | 24 (1.8) | 0.162 |
Overall major complications | 149 (10.2) | 16 (14.7) | 133 (9.8) | 0.104 |
Death | 1 (0.1) | 0 (0.0) | 1 (0.1) | 0.777 |