Table 1 Clinical characteristics and neurological outcome according to the severity of signal intensity
Grade 0 (n = 5) | Grade 1 (n = 20) | Grade 2 (n = 13) | p value | |
|---|---|---|---|---|
Age (years) | 57.4 ± 6.1 | 63.8 ± 11.5 | 63.2 ± 11.4 | 0.523 NS |
Symptom duration (days) | 3.8 ± 4.4 | 3.8 ± 4.9 | 2.2 ± 1.7 | 0.634 NS |
SAC (mm) | 7.2 ± 1.5 | 6.6 ± 2.4 | 4.9 ± 1.6 | 0.056 NS |
Cervical curvature (°) | 13.3 ± 4.1 | 15.1 ± 6.9 | 16.8 ± 9.8 | 0.769 NS |
Cervical canal stenosis | 0.84 ± 0.27 | 0.69 ± 0.17 | 0.74 ± 0.18 | 0.174 NS |
Preoperative motor score | 60.0 ± 10.1 | 40.6 ± 21.1 | 26.0 ± 6.9 | 0.033 |
Preoperative touch score | 100.8 ± 7.6 | 77.5 ± 29.2 | 49.4 ± 36.7 | 0.003 |
Recovery motor rate (%) | 82.4 ± 18.1 | 66.0 ± 18.1 | 30.9 ± 26.6 | 0.0005 |
Recovery touch rate (%) | 69.8 ± 19.7 | 29.7 ± 19.2 | 21.8 ± 22.2 | 0.0009 |
Surgical levels | 3.4 ± 0.5 | 3.1 ± 0.3 | 3.2 ± 0.4 | 0.267 NS |
Laminectomy and fusion | 4 | 16 | 10 | |
Expansive laminoplasty | 1 | 4 | 3 |