Table 4.
Onset and prognosis of C5 palsy
| Patient no. | Impaired muscle | Laterality | Onset of pain (days) | Onset of weakness (days) | MMT grade | Months to recovery | Degree of recovery | ||
|---|---|---|---|---|---|---|---|---|---|
| Pre-op | At onset | At FU | |||||||
| MMT grade ≤2 | |||||||||
| 1 | D, B | Rt | 2 | 13 | 5 | 2 | 5 | 3 | Complete |
| 2 | D, B | Rt | 3 | 4 | 5 | 2 | 5 | 1.8 | Complete |
| 3 | D, B | Blt | 3 | 8 | 5 | 2 | 5 | 0.8 | Complete |
| 4 | D, B | Rt | 3 | 6 | 5 | 2 | 5 | 2 | Complete |
| 5 | D, B | Lt | 3 | 4 | 5 | 2 | 5 | 1 | Complete |
| 6 | D, B | Lt | 7 | 12 | 5 | 2 | 4 | 6 | Incomplete |
| 7 | D, B | Rt | 3 | 4 | 5 | 2 | 4 | 1.8 | Incomplete |
| 8 | D, B | Lt | – | 2 | 5 | 2 | 4 | 15 | Incomplete |
| 9 | D, B | Blt | 1 | 5 | 5 | 2 | 2 | NR | No |
| 10 | D, B | Lt | 5 | 5 | 5 | 1 | 1 | NR | No |
| MMT grade ≥3 | |||||||||
| 11 | D, B | Rt | 3 | 7 | 5 | 4 | 5 | 1 | Complete |
| 12 | D, B | Lt | 2 | 3 | 5 | 3 | 5 | 1.3 | Complete |
| 13 | D, B | Rt | 7 | 23 | 5 | 4 | 5 | 2 | Complete |
| 14 | D, B | Lt | 1 | 2 | 5 | 4 | 5 | 1 | Complete |
| 15 | D, B | Lt | 3 | 10 | 5 | 3 | 5 | 0.8 | Complete |
| 16 | D, B | Lt | 5 | 5 | 5 | 4 | 5 | 1 | Complete |
| 17 | D, B | Rt | 7 | 10 | 5 | 3 | 5 | 3 | Complete |
| Mean ± SD | 3.6 ± 2.0 | 7.2 ± 5.3 | 5.0 ± 0 | 2.6 ± 0.9 | 4.4 ± 1.2 | 2.8 ± 3.6 | |||
D Deltoid, B biceps, Rt right, Lt left, Blt bilateral, NR not recovered