Table 3 Correlation coefficients for radiographic parameters and alteration of VAS leg pain and ODI at six weeks and one year follow up
|  | Improvement VAS pain leg – 6 weeks | Improvement VAS pain leg – 1 year | Improvement ODI – 6 weeks | Improvement ODI – 1 year |
|---|---|---|---|---|
Δ Listhesis (mm) | −0.097 | −0.204 | −0.057 | 0.066 |
Δ F (mm) | −0.258* | −0.141 | −0.018 | 0.120 |
Δ ADH (mm) | −0.024 | 0.035 | 0.037 | 0.096 |
Δ PDH (mm) | 0.011 | 0.230 | −0.017 | 0.103 |
Δ C (mm) | −0.225 | −0.185 | −0.050 | −0.039 |
Δ α (mm) | −0.123 | 0.061 | −0.083 | −0.060 |