Postoperative outcomes.
| Outcome | Laminectomy Without Fusion | Laminectomy With Fusion | |||
| n | % | n | % | P Value | |
| Total | 1985 | 42 | |||
| Cardiac arrest | 5 | 0.25% | 0 | 0.00% | 0.745 |
| Myocardial infarction | 2 | 0.10% | 0 | 0.00% | 0.837 |
| Renal insufficiency | 1 | 0.05% | 1 | 2.38% | <0.001 |
| Deep vein thrombosis | 28 | 1.41% | 1 | 2.38% | 0.6 |
| Pulmonary embolism | 19 | 0.96% | 0 | 0.00% | 0.524 |
| Cerebral vascular accident or stroke | 4 | 0.20% | 0 | 0.00% | 0.771 |
| Mortality | 20 | 1.01% | 0 | 0.00% | 0.513 |
| Transfusion | 87 | 4.38% | 1 | 2.38% | 0.529 |
| Length of stay >5 d | 739 | 37.23% | 25 | 59.52% | 0.001 |
| Return to operating room | 67 | 3.38% | 23 | 54.76% | <0.001 |