Table 5.
Multivariate Regressions (Grouped by Complication) Identifying Additional Patient Characteristics as Risk Factors for Perioperative Complications in Chronic Steroid Users Undergoing Elective PLF.
| OR (95% CI) | P | |
|---|---|---|
| Superficial incisional SSI | ||
| Morbid obesity | 8.13 (3.08-21.47) | <.0001 |
| Deep incisional SSI | ||
| Bleeding disorder | 5.83 (1.23-27.71) | .0266 |
| Wound dehiscence | ||
| Morbid obesity | 13.14 (2.59-66.51) | .0019 |
| Urinary tract infection | ||
| Age ≥65 years | 4.61 (1.56-13.64) | .0058 |
| Pulmonary comorbidity | 2.83 (1.23-6.51) | .0146 |
| Extended operative time | 3.35 (1.50-7.49) | .0032 |
| Discharge to other than home | ||
| Female sex | 2.99 (2.02-4.42) | <.0001 |
| Age ≥65 years | 3.60 (2.49-5.21) | <.0001 |
| Morbid obesity | 2.97 (1.60-5.53) | .0006 |
| Diabetes | 1.67 (1.12-2.51) | .0126 |
| Dependent functional status | 4.02 (1.98-8.17) | .0001 |
| Long fusion length | 2.09 (1.46-2.98) | <.0001 |
| Inpatient setting | 8.58 (1.06-69.42) | .0439 |
| ASA class ≥3 | 1.82 (1.19-2.78) | .0057 |
| Extended operative time | 1.61 (1.12-2.33) | .0111 |
| Unplanned readmission | — | — |
| Pulmonary embolism | — | — |
Abbreviations: CI, confidence interval; OR, odds ratio; PLF, posterior lumbar fusion; SSI, surgical site infection.