Scale scores grouped by H&Y stages (“known groups” comparisons)
| H&Y* | ANOVA | Post-hoc t tests* | Ordinal regression | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 3 | 4 | 2–3 | 3–4 | 2–4 | Trend† | Fit‡ | R-sq§ | ||
| *p Values of differences in scores of patients in different H&Y stages; †a significant trend indicates that the trend differs significant from zero—that is, no trend; ‡goodness of fit: p>0.05 indicates that the model does not differ significantly from a model with a good fit; §R-sq: proportion of the variance accounted for by the model. | ||||||||||
| ADL, activities of daily living; ANOVA, analysis of variance; ME, motor examination; MI, motor impairment; UPDRS, Unified Parkinson’s Disease Rating Scale. | ||||||||||
| SPES/SCOPA MI | 11.1 | 13.4 | 18.7 | <0.001 | 0.11 | <0.001 | <0.001 | <0.001 | 0.57 | 0.26 |
| UPDRS ME | 27.7 | 31.0 | 43.1 | <0.001 | 0.51 | <0.001 | <0.001 | <0.001 | 0.78 | 0.25 |
| SPES/SCOPA ADL | 7.2 | 7.9 | 11.8 | <0.001 | 0.84 | <0.001 | <0.001 | <0.001 | 0.33 | 0.30 |
| UPDRS ADL | 13.4 | 15.0 | 21.6 | <0.001 | 0.72 | <0.001 | <0.001 | <0.001 | 0.44 | 0.26 |









