Intervertebral disk space | Mean width (in mm) | p-value C2-C3 | p-value C3-C4 | p-value C4-C5 | p-value C5-C6 | p-value C6-C7 |
---|---|---|---|---|---|---|
C2-C3 | 5.36 | NA | 0.0045* | <.0001* | <.0001* | 0.0008* |
C3-C4 | 5.53 | 0.0045* | NA | 0.0019* | 0.0207 | 0.0561 |
C4-C5 | 5.79 | <0.0001* | 0.0019* | NA | 0.438 | 0.728 |
C5-C6 | 5.72 | <0.0001* | 0.0207 | 0.438 | NA | 0.824 |
C6-C7 | 5.75 | 0.0008* | 0.0561 | 0.728 | 0.824 | NA |