Table 2.
Incidence of postoperative complications and readmission following elective bariatric surgery by smoking status
| Total | LSG | LRYGB | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Current smoker | Non-smoker | p-value a | Current smoker | Non-smoker | p-value a | Current smoker | Non-smoker | p-value a | |
| N (%) | N (%) | N (%) | |||||||
| DSM | 475 (3.8) | 4,136 (3.4) | 0.019 | 198 (2.6) | 1,834 (2.5) | 0.594 | 277 (5.8) | 2,302 (4.9) | 0.005 |
| Readmission | 608 (4.9) | 4,934 (4.1) | <0.001 | 280 (3.7) | 2,236 (3.1) | 0.003 | 238 (6.9) | 2,698 (5.7) | 0.001 |
| Death | 13 (0.1) | 117 (0.1) | 0.787 | 8 (0.1) | 56 (0.1) | 0.396 | 5 (0.1) | 61 (0.1) | 0.653 |
| Return to OR | 227 (1.8) | 1,939 (1.6) | 0.059 | 87 (1.1) | 750 (1.0) | 0.323 | 140 (2.9) | 1,189 (2.5) | 0.081 |
| Wound complication | 251 (2.0) | 1,712 (1.4) | <0.001 | 107 (1.4) | 656 (0.9) | <0.001 | 144 (3.0) | 1,056 (2.2) | 0.001 |
| Superficial SSI | 148 (1.2) | 988 (0.8) | <0.001 | 58 (0.8) | 352 (0.5) | 0.001 | 90 (1.9) | 636 (1.3) | 0.002 |
| Deep SSI | 14 (0.1) | 110 (0.1) | 0.448 | 5 (0.1) | 32 (0.1) | 0.392 | 9 (0.2) | 78 (0.2) | 0.704 |
| Organ space SSI | 89 (0.7) | 592 (0.5) | 0.001 | 44 (0.6) | 252 (0.3) | 0.001 | 45 (0.9) | 340 (0.7) | 0.086 |
| Dehiscence | 11 (0.1) | 74 (0.1) | 0.249 | 1 (0.1) | 30 (0.1) | 0.239 | 10 (0.2) | 44 (0.1) | 0.017 |
| Respiratory complication | 95 (0.8) | 622 (0.5) | <0.001 | 38 (0.5) | 261 (0.3) | 0.040 | 57 (1.2) | 361 (0.7) | 0.001 |
| Pneumonia | 57 (0.5) | 374 (0.3) | 0.005 | 26 (0.3) | 153 (0.2) | 0.019 | 31 (0.7) | 221 (0.4) | 0.084 |
| Reintubation | 39 (0.3) | 238 (0.2) | 0.006 | 15 (0.2) | 106 (0.1) | 0.259 | 34 (0.5) | 132 (0.3) | 0.007 |
| Failure to wean from vent | 33 (0.3) | 194 (0.2) | 0.007 | 9 (0.1) | 72 (0.1) | 0.598 | 24 (0.5) | 122 (0.3) | 0.002 |
| Sepsis | 47 (0.4) | 364 (0.3) | 0.138 | 17 (0.2) | 166 (0.2) | 0.958 | 30 (0.6) | 198 (0.4) | 0.036 |
| Septic Shock | 20 (0.2) | 160 (0.1) | 0.406 | 9 (0.1) | 56 (0.1) | 0.220 | 11 (0.2) | 104 (0.2) | 0.883 |
| Pulmonary embolism | 27 (0.2) | 201 (0.2) | 0.188 | 15 (0.2) | 103 (0.1) | 0.218 | 12 (0.3) | 98 (0.2) | 0.527 |
| Deep venous thrombosis | 34 (0.3) | 361 (0.3) | 0.629 | 16 (0.2) | 242 (0.3) | 0.078 | 18 (0.4) | 119 (0.2) | 0.107 |
| Cardiac arrest | 9 (0.1) | 76 (0.1) | 0.685 | 5 (0.1) | 36 (0.1) | 0.540 | 4 (0.1) | 40 (0.1) | 0.986 |
| Myocardial infarct | 7 (0.1) | 90 (0.1) | 0.477 | 5 (0.1) | 50 (0.1) | 0.937 | 2 (0.1) | 40 (0.1) | 0.322 |
| Transfusion | 133 (1.1) | 1,232 (1.0) | 0.581 | 54 (0.7) | 544 (0.7) | 0.754 | 79 (1.7) | 688 (1.5) | 0.274 |
a
Chi-squared test