Table 4.
Comparison of the radiological measurements between group A and group B
| Measurements | Group A | Group B | P Value |
|---|---|---|---|
| Cervical curvature correction ( ) | 11.29±3.91 | 7.35±2.90 | 0.001* |
| Occupying rate of spinal canal at C4/5 (%) | 38.10±5.35 | 34.92±5.02 | 0.087 |
| Diameter of the C4/5 foramen (mm) | 2.35±0.30 | 3.20±0.43 | 0.001* |
| Vertebral trough width (mm) | 16.05±2.48 | 13.92±2.18 | 0.008* |
| Preoperative HIZ in T2 weighted MRI at C4/5 | |||
| Have | 3 | 70 | 0.93 |
| Not have | 5 | 83 | |
| Intervertebral height variation (mm) | |||
| <3 | 2 | 102 | 0.04* |
| ≥3 | 6 | 51 |
*
Statistically significant.