Table 3.
Correlation between spread patterns and regions of onset.
| Onset regions | ||||
|---|---|---|---|---|
| Bulbar | Cervical cord | Lumbar cord | P | |
| Clinical spread | ||||
| Continuous | 17 | 53 | 17 | 0.003 |
| Discontinuous | 3 | 0 | 5 | |
| Electromyographic spread | ||||
| Continuous | 16 | 52 | 22 | 0.110 |
| Discontinuous | 4 | 9 | 0 | |
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