Table 1 Demographic and other characteristics of the patients
| Â | Patient without palsy (n = 56) | Patient with Palsy (n = 18) |
|---|---|---|
Sex (M/F) | 36/20 | 12/6 |
Mean age at surgery (years) | 60.63 | 61.61 |
Duration of symptom before operation (months) | 12.42 | 15.06 |
Disease etiology (%) | Â | Â |
- CSM | 40 (71.4) | 12 (66.7) |
- OPLL | 11 (19.6) | 5 (27.8) |
- PID | 5 (8.9) | 1 (5.6) |
Type of operation (%) | Â | Â |
- Laminoplasty | 53 (94.6) | 15 (83.3) |
- Posterior decompression with internal fixation | 3 (5.4) | 3 (16.7) |
Extent of decompression (%) | Â | Â |
- C2–C7 | 1 (1.8) | 0 (0) |
- C3–C7 | 25 (44.6) | 9 (50) |
- C3–C6 | 21 (37.5) | 8 (44.4) |
- C3–C5 | 4 (7.1) | 0 (0) |
- C4–C7 | 3 (5.4) | 0 (0) |
- C4–C6 | 2 (3.6) | 1 (5.6) |
Mean Preoperative JOA score | 10.55 | 11.22 |
Mean Postoperative JOA score | 13.66 | 14.22 |
Recovery rate (%) | 52.37 | 48.34 |