Table 4.
Postoperative Complications and Reoperationa.
| One Level | Two Levels | Three or More Levels | Two Levels (vs One) Multivariate Logistic Regression | Three or More Levels (vs One) Multivariate Logistic Regression | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| # | % | # | % | # | % | OR | P | OR | P | |
| Dural tear | 9 | 4.43 | 16 | 16.84 | 2 | 11.11 | 5.18 | .001 | 1.47 | .735 |
| Postoperative complication | 28 | 13.79 | 5 | 5.26 | 5 | 27.78 | 0.41 | .081 | 3.21 | .060 |
| Discharge to facility | 26 | 12.81 | 10 | 10.53 | 5 | 27.78 | 0.67 | .376 | 4.00 | .047 |
| Reoperation | 8 | 7.21 | 11 | 18.97 | 1 | 8.33 | 2.88 | .039 | 1.00 | — |
| Unspecified fracture | 0 | 0.00 | 0 | 0.00 | 1 | 8.33 | — | — | — | — |
| Pseudarthrosis | 0 | 0.00 | 2 | 2.11 | 0 | 0.00 | — | — | — | — |
| Deep soft tissue infection | 0 | 0.00 | 1 | 1.05 | 0 | 0.00 | — | — | — | — |
| Superficial soft tissue infection | 1 | 0.49 | 0 | 0.00 | 0 | 0.00 | — | — | — | — |
| Adjacent segment disease | 6 | 2.96 | 6 | 6.32 | 0 | 0.00 | — | — | — | — |
| Instrumentation complication | 0 | 0.00 | 1 | 1.05 | 0 | 0.00 | — | — | —— | — |
| Recurrence of symptoms | 0 | 0.00 | 1 | 1.05 | 0 | 0.00 | — | — | — | — |
| Seroma | 1 | 0.49 | 0 | 0.00 | 0 | 0.00 | — | — | — | — |
| Pseudarthrosis (total) | 10 | 6.9 | 8 | 10.81 | 0 | 0 | 1.66 | .337 | 1.00 | — |
Abbreviation: OR, odds ratio.
a Bolded text indicates statistically significant values at P < .05.