Inter-rater reliability and internal consistency of SPES/SCOPA and UPDRS
| ICC sumscores | ICC items | Cronbach α | Item total* | |
|---|---|---|---|---|
| *Corrected item-total correlation; †tremor R and L leg – estimates unreliable because of insufficient dispersion; ‡sensory symptoms; §not applicable (only two items). | ||||
| Values obtained by clinical assessment in 85 patients. | ||||
| ADL, activities of daily living; ICC, intra-class correlation coefficient; UPDRS, Unified Parkinson’s Disease Rating Scale. | ||||
| SPES/SCOPA motor | 0.86 | 0.27–0.83 | 0.74 | 0.15–0.65 |
| UPDRS motor | 0.90 | 0.00†–0.83 | 0.88 | 0.03–0.65 |
| SPES/SCOPA ADL | 0.89 | 0.58–0.82 | 0.81 | 0.38–0.72 |
| UPDRS ADL | 0.93 | 0.61–0.91 | 0.75 | −0.02‡–0.65 |
| SPES/SCOPA dyskinesias | 0.89 | 0.74–0.92 | 0.92 | NA§ |
| UPDRS dyskinesias | 0.94 | 0.39–0.96 | 0.58 | 0.11–0.63 |
| SPES/SCOPA fluctuations | 0.72 | 0.65–0.69 | 0.95 | NA§ |
| UPDRS fluctuations | 0.75 | 0.41–0.71 | 0.74 | 0.48–0.66 |