Table 3.
JOA score of 17 patients who developed C5 palsy
| Patient no. | Age (years)/sex | Lesion | Levels fused (n) | FU period | JOA score | Recovery rate (%) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre-op | At FU | ||||||||||
| Total | M-UE | M-LE | Total | M-UE | M-LE | ||||||
| MMT grade ≤2 | |||||||||||
| 1 | 37/F | CSM | C4–C6 (2) | 9y 3m | 16 | 4 | 4 | 17 | 4 | 4 | 100 |
| 2 | 26/M | CSM | C3–C6 (3) | 10y 10m | 13 | 3 | 3 | 17 | 4 | 4 | 100 |
| 3 | 50/M | CSM | C3–C6 (3) | 1y | 13 | 3 | 3 | 15 | 3 | 4 | 50 |
| 4 | 73/F | CSM | C2–C6 (4) | 9y 10m | 8 | 1 | 1 | 15 | 4 | 3 | 77.8 |
| 5 | 62/M | OPLL | C3–C7 (4) | 4y 4m | 7 | 1 | 1 | 16 | 4 | 3 | 90 |
| 6 | 52/M | CSM | C3–C7 (4) | 5y 1m | 10 | 2 | 3 | 15 | 3 | 4 | 71.4 |
| 7 | 61/M | OPLL | C3–C7 (4) | 1y | 2.5 | 0 | 0 | 6.5 | 1 | 1 | 27.6 |
| 8 | 70/F | OPLL | C3–C7 (4) | 5y 6m | 10 | 3 | 2 | 12.5 | 3.5 | 2.5 | 35.7 |
| 9 | 71/M | OPLL | C2–C6 (4) | 5y 6m | 8.5 | 2 | 1.5 | 13 | 4 (−2) | 2 | 64.7 |
| 10 | 64/M | OPLL | C3–C7 (4) | 10y | 10.5 | 2.5 | 2 | 13 | 4 (−2) | 3 | 38.5 |
| MMT grade ≥3 | |||||||||||
| 11 | 73/M | CSAM | C4–C6 (2) | 9y 10m | 15 | 4 (−2) | 2 | 17 | 4 | 4 | 100 |
| 12 | 70/M | CSAM | C3–C6 (3) | 5y 2m | 16 | 4 (−1) | 4 | 17 | 4 | 4 | 100 |
| 13 | 65/F | CSM | C3–C7 (4) | 10y 3m | 12 | 4 | 4 | 17 | 4 | 4 | 100 |
| 14 | 44/F | CSM | C3–C7 (4) | 10y | 13 | 3 | 3 | 15 | 4 | 4 | 50 |
| 15 | 64/M | CSM | C3–C7 (4) | 5y 5m | 10.5 | 2 | 2 | 13 | 3 | 2 | 38.5 |
| 16 | 48/M | CSM | C3–C7 (4) | 4y 6m | 14 | 3 | 3 | 16 | 4 | 4 | 66.7 |
| 17 | 65/M | OPLL | C3–C7 (4) | 4y 2m | 13.5 | 3 | 3 | 17 | 4 | 4 | 100 |
| Mean ± SD | 11.3 ± 3.5 | 2.4 ± 1.1 | 2.5 ± 1.1 | 14.8 ± 2.7 | 3.4 ± 0.9 | 3.3 ± 1.0 | 71.2 ± 27.0 | ||||
JOA score Japanese Orthopaedic Association score for cervical myelopathy, FU follow-up, M-UE motor function score of upper extremity, M-LE motor function score of lower extremity, CSM cervical spondylotic myelopathy, CSAM cervical spondylotic amyotrophy