Table 3.
Comparison of clinical and radiological results between the non-SASD and SASD groups
| Outcomes | SASD group
|
Non-SASD group
|
||
|---|---|---|---|---|
| Preoperative | Last follow-up | Preoperative | Last follow-up | |
| JOA | 10.2±2.3# | 14.1±2.6# | 10.8±3.3# | 14.3±3.1# |
| NDI | 43.5±6.3 | 17.6±3.7# | 42.3±7.2# | 15.8±3.3# |
| VAS for neck pain | 6.3±3.5# | 2.3±1.2# | 6.1±2.3# | 1.9±1.6# |
| VAS for arm pain | 6.1±2.3# | 1.8±1.1# | 5.9±1.8# | 1.6±1.2# |
| SACS | 12.5°±6.2° | 13.6°±7.3° | 12.9°±7.3° | 14.1°±8.3° |
| FSU ROM | 6.9°±2.1°,# | 5.8°±1.6°,#,* | 7.2°±1.8°,# | 8.3°±2.7°,#,* |
| FSU angle | 0.2°±4.6°,#,* | 3.6°±5.1°,#,* | 1.2°±3.2°,#,* | 5.8°±2.1°,#,* |
Notes:
#
Significant difference between baseline and the final follow-up; P<0.05.
*
Significant difference between the non-HO and HO group; P<0.05. Data presented as mean ± standard deviation.
Abbreviations: SASD, surgical and adjacent segment degeneration; JOA, Japanese Orthopedic Association; NDI, Neck Disability Index; VAS, visual analog scale; SACS, sagittal alignment of the cervical spine; FSU, functional spinal unit; ROM, range of motion.