Spearman correlation coefficients relating postoperative clinical scores and baseline fractional anisotropy in various regions of the spinal cord
| Anatomic Region | Clinical Measure | Spearman Correlation | P Value | n |
|---|---|---|---|---|
| C7-T1 | mJOA | 0.02 | .93 | 15 |
| Nurick | 0.17 | .56 | 15 | |
| SF-36 (MCS) | 0.1 | .76 | 13 | |
| SF-36 (PCS) | −0.07 | .84 | 13 | |
| NDI | 0.11 | .73 | 13 | |
| Level of stenosis | mJOA | 0.06 | .84 | 15 |
| Nurick | −0.22 | .44 | 15 | |
| SF-36 (MCS) | 0.28 | .38 | 13 | |
| SF-36 (PCS) | −0.21 | .51 | 13 | |
| NDI | −0.61a | .04a | 13a | |
| C2-C3 | mJOA | −0.26 | .38 | 15 |
| Nurick | 0.17 | .56 | 15 | |
| SF-36 (MCS) | −0.4 | .2 | 13 | |
| SF-36 (PCS) | 0.1 | .75 | 13 | |
| NDI | 0.36 | .25 | 13 |
Note:—MCS indicates mental component score; PCS, physical component score.
↵a Indicates values are significant.