Table 4.
Comparison of scores among groups after surgery.
| score | Group | Preoperative | 3 months postoperative | P1 | 12 months postoperative | P2 |
|---|---|---|---|---|---|---|
| VAS (Lumbar) | BD | 4.63 ± 0.78 | 1.99 ± 0.62 | 0.000 | 1.24 ± 0.55 | 0.000 |
| BO | 5.09 ± 0.79 | 2.09 ± 0.69 | 0.000 | 1.20 ± 0.52 | 0.000 | |
| VAS (Leg) | BD | 5.46 ± 0.89 | 1.92 ± 0.91 | 0.000 | 1.11 ± 0.77 | 0.000 |
| BO | 5.46 ± 0.82 | 2.05 ± 0.62 | 0.000 | 0.69 ± 0.79 | 0.000 | |
| ODI | BD | 34.08 ± 3.37 | 17.37 ± 2.59 | 0.000 | 12.21 ± 1.58 | 0.000 |
| BO | 33.34 ± 3.13 | 16.86 ± 2.05 | 0.000 | 11.86 ± 1.63 | 0.000 |
VAS, Visual Analog Scale; ODI, Lumbar Oswestry Disability Index; P1, the P-value between 3-month postoperative and pre-operative; P2, the P-value between 12-month postoperative and pre-operative.