Table 2 Adjusted difference in change in disability, back pain intensity, and leg pain intensity from baseline to 3-, 6-, and 12-month follow-up
Baseline to 3-month follow-up | Baseline to 6-month follow-up | Baseline to 12-month follow-up | ||||
|---|---|---|---|---|---|---|
Mean change | Difference in mean change | Mean change | Difference in mean change | Mean change | Difference in mean change | |
ODI | ||||||
No LSS symptoms LSS symptoms | -6.0 (-6.9 to -5.0) -5.5 (-7.1 to -4.0) | --- 0.4 (-1.4 to 2.3) | -5.6 (-6.7 to -4.5) -5.5 (-7.2 to -3.7) | --- 0.1 (-2.0 to 2.2) | -4.9 (-6.0 to -3.7) -5.7 (-7.5 to -3.9) | --- -0.8 (-3.1 to 1.5) |
Back NRS | ||||||
No LSS symptoms LSS symptoms | -1.8 (-2.1 to -1.6) -1.8 (-2.2 to -1.5) | --- -0.1 (-0.5 to 0.4) | -1.6 (-1.9 to -1.4) -1.8 (-2.3 to -1.4) | --- -0.2 (-0.7 to 0.3) | -1.6 (-1.9 to -1.3) -1.5 (-2.0 to -1.1) | --- 0.0 (-0.5 to 0.5) |
Leg NRS | ||||||
No LSS symptoms LSS symptoms | -1.0 (-1.2 to -0.7) -1.3 (-1.7 to -0.9) | --- -0.3 (-0.8 to 0.2) | -0.9 (-1.1 to -0.6) -1.6 (-2.0 to -1.1) | --- -0.7 (-1.2 to -0.2)* | -0.7 (-1.0 to -0.4) -1.3 (-1.8 to -0.8) | --- -0.6 (-1.2 to -0.1)* |