Table 2 Clinical outcomes
Pre-op | Pos-op (within 1 week) | 1month | 3month | 6month | 12month | P (2-tailed) | |
|---|---|---|---|---|---|---|---|
VAS scores of low back pain | 7.3 ± 1.1 | 5.3 ± 1.2 | 4.6 ± 1.2 | 3.5 ± 1.5 | 2.3 ± 1.1 | 1.7 ± 0.9 | < 0.001 |
VAS scores of leg pain | 7.6 ± 1.1 | 3.4 ± 1.4 | 2.4 ± 1.4 | 2.1 ± 1.3 | 1.6 ± 1.1 | 1.5 ± 1.0 | < 0.001 |
ODI (*100%) | 66.0 ± 10.8 | 46.7 ± 7.6 | 30.5 ± 6.5 | 23.9 ± 5.7 | 18.7 ± 4.0 | 16.8 ± 2.1 | < 0.001 |