Association between pathological diagnosis of MSA or PD using multivariate regression modelling
| Clinical features1-150 | β-Coefficient | SE | p Value | Weighting |
| Initial poor levodopa response | 2.4 | 0.95 | 0.01 | 2 |
| Autonomic features | 2.4 | 0.91 | 0.007 | 2 |
| Speech and/or bulbar features | 3.1 | 1.0 | 0.002 | 3 |
| Absence of dementia | 2.2 | 0.96 | 0.02 | 2 |
| Absence of toxic confusion | 3.7 | 1.1 | 0.001 | 4 |
| Falls | 3.7 | 1.4 | 0.01 | 4 |
↵1-150 Recorded at any time up to death.