Table 2. Surgical demographics with follow-up information are listed.
| Surgical demographics | Statistic |
|---|---|
| Laminectomy | 153 (69.5%) |
| Concurrent surgery | |
| TLIF | 52 (23.6%) |
| ALIF | 2 (0.9%) |
| Instrumentation | |
| Open screws | 14 (6.4%) |
| Percutaneous screws | 201 (91.4%) |
| No instrumentation | 5 (2.3%) |
| Operative time (mean ± SD), min | 213.5±76.2 |
| EBL (mean ± SD), mL | 75.2±83.7 |
| Fusion rate | 91.4% |
| Length of stay (mean ± SD), days | 2.5±1.8 |
| 30-day readmission | 5 |
| Length of follow up (mean ± SD), months | 6.64±10.8 |
| Loss-to-follow-up rate | 15.5% |
Of note, 34 patients were lost to follow-up beyond the 6-month follow-up appointment. TLIF, transforaminal lumbar interbody fusion; ALIF, anterior lumbar interbody fusion; EBL, estimated blood loss.