Level | Lumbar Fusion (n= 23)1 | No Lumbar Fusion (n=25)1 | Adjusted2 Mean Difference Between Groups | ||
---|---|---|---|---|---|
Baseline | 9-Years | Baseline | 9-Years | ||
L2-L3 (non fused level) | -0.07±1.01 | -0.69±1.07** | -0.21±0.87 | -0.70±0.94** | 0.24 (-0.30 to 0.78) |
L3-L4 (non fused level) | -0.34±1.19 | -0.34±1.71 | -0.41±1.37 | -0.55±1.44 | 0.04 (-0.80 to 0.73) |
L4-L5 (fused level) | -0.32±1.21 | -0.15±1.06 | -1.06±1.31 | -0.27±1.22** | 0.13 (-0.49 to 0.75) |
L5-S1 (fused level) | 0.26±1.57 | 0.24±1.21 | 0.09±2.66 | 0.51±2.77* | 0.32 (-0.33 to 0.99) |