Table 3. Clinical and Radiological Outcomes.
| Preoperative (Range) | Postoperative (Range) | Change | |
|---|---|---|---|
| Clinical outcome | |||
| VAS back | 7.2 (0–10) | 2.9 (0–10) | −4.3 |
| VAS leg | 7.0 (0–10) | 2.5 (0–9) | −4.5 |
| ODI | 51.9 (8–76) | 24.6 (0–70) | −26.8 |
| McNab | |||
| Excellent | 18 (34.6%) | ||
| Good | 26 (50%) | ||
| Fair | 6 (11.5%) | ||
| Poor | 2 (3.8%) | ||
| Radiological outcome | |||
| Disc space height (mm) | |||
| L2–L5 | 4.5 (0–12.04) | 9.2 (6.65–12.15) | +4.7 (−4.28–11.04) |
| L5–S1 | 2.6 (0–7.96) | 8.9 (6.19–12.21) | +6.3 (1.36–12.21) |
| Disc space angle (degrees) | |||
| L2-L5 | 6.6 (−2.8–17.9) | 7.0 (0.9–16.9) | +2.2 (−5.8–10.4) |
| L5–S1 | 7.6 (1.1–15.3) | 8.7 (0.8–17.2) | +4.3 (−6.9–17.2) |
| Fusion rate | |||
| Unilateral screws | 75.0% | ||
| Bilateral screws | 93.3% | ||
ODI, Oswestry Disability Index; VAS, Visual Analog Scale.