Table 1 Summary of cervical spondylotic myelopathy patient and surgical profile
|  | Mean ± SD |
|---|---|
Number of cases | 94 |
Age (years) | 57.6 ± 13.6 (40–75) |
Gender (male: female) | 40:54 |
Operative segments | |
 C4–C5 | 23 |
 C5–C6 | 56 |
 C6–C7 | 15 |
Preoperative disc height (mm) | 3.5 ± 1.3 |
Preoperative interfacet distance (mm) | 1.9 ± 0.8 |
Preoperative NDI score | 33.2 ± 9.8 |
Preoperative JOA score | 9.4 ± 4.5 |
Preoperative nVAS score | 4.2 ± 3.9 |
Preoperative aVAS score | 4.9 ± 4.1 |