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Demographic profile.
| N | Age (years) | Sex (male-female) | Education (years) | ALSFRS-R | Site of onset (bulbar–spinal) | Disease duration (months) | |
|---|---|---|---|---|---|---|---|
| ALS | 31 | 62.8 ± 13.0 | 21−10 | 13.6 ± 2.3 | 37.8 ± 5.4 | 8-23 | 21.6 ± 21.0 |
| HC | 29 | 61.8 ± 5.9 | 19−10 | 14.7 ± 3.7 | na | na | na |
| p | 0.35 | 0.86 | 0.44 | – | – | – |
