Table 6.
Four important variables selected from the MB for each ALSFRS item.
| Function | Variable 1 | Variable 2 | Variable 3 | Variable 4 |
|---|---|---|---|---|
| Speech | FVC | Onset Site | CK | chloride |
| Salivation | FVC | Onset Site | creatinine | potassium |
| Swallowing | FVC | Onset Site | ALT | chloride |
| Handwriting | FVC | Onset Site | CK | potassium |
| Cutting Food | FVC | CK | chloride | phosphorus |
| Dressing/Hygiene | FVC | Onset Site | potassium | CK |
| Turning in Bed | FVC | Onset Site | creatinine | potassium |
| Walking | FVC | alkaline phosphatase | creatinine | CK |
| Climbing Stairs | FVC | alkaline phosphatase | creatinine | phosphorus |
| Respiratory | FVC | CK | hemoglobin | Potassium |