| Isobar TTL (n = 20) | Rigid (n = 21) |
---|
ODI | VAS | ODI | VAS |
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Before surgery | 81.84 ± 6.63 | 6.82 ± 1.77 | 82.21 ± 5.86 | 6.70 ± 1.51 |
After surgery | 30.15 ± 4.38 | 2.75 ± 0.86 | 28.06 ± 5.39 | 2.58 ± 0.86 |
P | 0.000 | 0.000 | 0.000 | 0.000 |
P ′ | | ODI (0.182) | | VAS (0.530) |
- aData are presented as mean ± standard deviation
- P values are based on the paired t test. P is for postoperative values compared with preoperative values; P < 0.05. P′ is for the Isobar TTL group compared with the rigid group; P > 0.05 indicates a statistically significant difference