Table 2 Clinical outcomes
Characteristic | Gallie group (n = 23) | SRC group (n = 20) | P value |
|---|---|---|---|
NDI score | |||
Pre-op | 17.4 ± 5.1 | 16.7 ± 4.9 | ND |
Post-op 3 months | 8.1 + 1.6 | 11.1 + 4.0 | <0.05 |
Post-op 6 months | 3.8 + 1.7 | 5.1 + 1.8 | <0.05 |
Post-op 12 months | 2.4 + 1.0 | 2.9 + 1.3 | ND |
Post-op 24 months | 1.7 + 1.2 | 1.9 + 1.1 | ND |
Last follow-up | 0.8 ± 0.8 | 0.9 ± 0.9 | ND |
VAS score | |||
Preo-op | 5.4 ± 1.0 | 5.2 ± 1.5 | ND |
Post-op 3 months | 2.9 + 0.7 | 3.6 + 0.9 | <0.01 |
Post-op 6 months | 1.6 + 0.6 | 1.8 + 0.7 | ND |
Post-op 12 months | 0.7 + 0.7 | 0.8 + 0.6 | ND |
Post-op 24 months | 0.4 + 0.5 | 0.4 + 0.5 | ND |
Last follow-up | 0.4 ± 0.5 | 0.3 ± 0.5 | ND |