Table 4.
Postoperative Functional Outcomes and Perioperative Complications.
| Functional outcome | |||
|---|---|---|---|
| Control cohort (n = 124) | PVI cohort (n = 120) | P-value | |
| Preoperative VAS | 6.24 (SD = 1.45) | 6.00 (SD = 2.07) | 0.293 |
| Postoperative VAS | 2.25 (SD = 1.85) | 2.49 (SD = 1.71) | 0.311 |
| VAS Improvement range | 3.99 (SD = 2.14) | 3.51 (SD = 2.27) | 0.095 |
| Complication | |||
| Control cohort (n = 124) | PVI cohort (n = 120) | P-value | |
| Wound complication | 3 (2.42%) Poor healing (3) |
4 (3.33%) Prolonged discharge (3) Poor healing(1) |
0.669 |
| Surgical Complications | 10 (8.06%) Implant malposition, loosening or graft protrusion (4) Incidental durotomy (3) Residual symptom (1) Pseudoarthrosis (1) Iatrogenic fracture (1) |
6 (5.00%) Implant malposition or loosening (3) Incidental durotomy (3) |
0.334 |
Abbreviation: PVI = povidone iodine, VAS = visual analog scale.