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Demographics of the two groups
| C3-6 | C3-7 | ||
|---|---|---|---|
| Age (years) | 61.7 (31–87) | 61.2 (44–79) | NS |
| Sex (M:F) | 26:11 | 22:6 | NS |
| Diseases | CSM | CSM | |
| Total | 37 | 28 |
The C3-6 and C3-7 groups were comparable as to the age at surgery and gender ratio
CSM Cervical spondylotic myelopathy; NS Not significant
