Table 5 Distribution of the improvement of pain scores at each follow-up, comparing the patients who were completely fused to patients not completely fused at the corresponding follow-up
6 months | 12 months | 18 months | |||||||
|---|---|---|---|---|---|---|---|---|---|
25th % | Median | 75th % | 25th % | Median | 75th % | 25th % | Median | 75th % | |
Fused | 2 | 3 | 4 | 3 | 3 | 5 | 4 | 4 | 5 |
Not Fused | 2 | 2 | 3 | 2 | 3 | 4 | 3 | 4.5 | 5 |
p-value | 0.012 | 0.206 | 0.365 | ||||||