Table 8 Comparison of VAS and ODI scores between patients with Lee zone IV type before and after operation (n = 20)
Number | Preoperative ODI (%) | Preoperative VAS (points) | Post-operative ODI (%) | Post-operative VAS (points) | |
|---|---|---|---|---|---|
ELLD | 5 | 70.80 ± 7.29 | 5.40 ± 0.54 | 8.40 ± 1.67 | 2.60 ± 0.54 |
EPLD | 15 | 71.47 ± 5.63 | 6.00 ± 0.75 | 5.60 ± 1.72 | 1.33 ± 0.48 |
t | 0.214 | 1.625 | 3.166 | 4.888 | |
P | 0.833 | 0.121 | 0.005 | 0.000 |