Items | VDF group (n = 45) | VRF group (n = 42) | P value |
---|---|---|---|
VAS of Back | |||
Preoperation | 5.27 ± 1.12 | 5.05 ± 1.23 | 0.39 |
1-week after operation | 2.31 ± 0.85 | 2.21 ± 0.75 | 0.58 |
3-month after operation | 2.02 ± 0.81 | 2.07 ± 0.51 | 0.97 |
The latest follow-up | 1.47 ± 0.66 | 1.51 ± 0.57 | 0.76 |
VAS of Leg | |||
Preoperation | 7.36 ± 1.11 | 7.14 ± 1.03 | 0.36 |
1-week after operation | 2.40 ± 0.72 | 1.95 ± 0.79 | < 0.05 |
3-month after operation | 1.93 ± 0.86 | 1.67 ± 0.72 | 0.12 |
The latest follow-up | 1.42 ± 0.71 | 1.48 ± 0.83 | 0.66 |
ODI | |||
Preoperation | 66.36 ± 9.87 | 69.52 ± 9.22 | 0.13 |
1-week after operation | 34.80 ± 7.74 | 29.67 ± 5.91 | < 0.05 |
3-month after operation | 24.49 ± 5.61 | 22.81 ± 4.70 | 0.14 |
The latest follow-up | 21.02 ± 4.58 | 20.11 ± 5.49 | 0.35 |