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EMG findings of all patients (prospective and retrospective).
| Number | No myopathy | Possibly myopathic |
Definite myopathy |
|
|---|---|---|---|---|
| Neck extensor weakness |
8 | 1 | 0 | 7 |
| No neck extensor Weakness |
8 | 5 | 2 | 1 (mild) |
Note: For patients who had two separate EMGs, only the more recent prospective EMG was used in this table.
