Table 2. Absolute and right-to-left SSD in neural foramen area for young controls, middle-aged controls, and arthrodesis groups.
Bolded values indicate significant right-left differences
| Young Controls (mm2) | Middle-Aged Controls (mm2) | Arthrodesis (mm2) | ||
|---|---|---|---|---|
| C2/C3 | Absolute | 9.8 ± 5.9 | 10.0 ± 9.5 | 8.2 ± 5.7 |
| Right-Left | −1.6 ± 9.9 | 0.5 ± 11.6 | −0.2 ± 13.9 | |
| C3/C4 | Absolute | 7.9 ± 5.7 | 7.9 ± 5.5 | 7.9 ± 7.9 |
| Right-Left | 0.9 ± 9.8 | 0.9 ± 9.7 | 2.2 ± 11.0 | |
| C4/C5 | Absolute | 6.9 ± 6.0 | 8.9 ± 7.8 | 9.9 ± 7.1 |
| Right-Left | −2.5 ± 8.9 | 4.3 ± 11.2 | −1.0 ± 12.3 | |
| C5/C6 | Absolute | 8.8 ± 6.7 | 8.4 ± 8.3 | 7.9 ± 6.3 |
| Right-Left | 3.3 ± 10.4 | 1.7 ± 11.8 | 1.6 ± 10.0 | |
| C6/C7 | Absolute | 11.1 ± 8.3 | 9.0 ± 7.1 | 8.5 ± 6.5 |
| Right-Left | −0.0 ± 14.0 | 4.8 ± 10.6 | 3.5 ± 10.2 |