Research Article
Validation of Revised Chinese Version of PD-CRS in Parkinson’s Disease Patients
| Item | Mean ± SD | Min-max | Skewness | Kurtosis | Floor effect (%) | Ceiling effect (%) |
| Immediate free-recall verbal memory | 7.32 ± 2.693 | 0–12 | −0.154 | −0.653 | 1.1 | 6.5 | Confrontation naming | 17.02 ± 2.580 | 10–20 | −1.131 | 0.840 | 4.3 | 15.2 | Sustained attention | 5.90 ± 2.894 | 0–10 | −0.357 | −0.822 | 4.3 | 10.8 | Working memory | 5.34 ± 2.190 | 0–10 | 0.481 | −0.177 | 1.1 | 5.4 | Clock drawing | 8.00 ± 2.335 | 0–10 | −1.467 | 1.812 | 1.1 | 32.6 | Copying a clock | 9.34 ± 1.639 | 0–10 | −4.018 | 18.591 | 1.1 | 72.8 | Delayed free-recall verbal memory | 5.72 ± 3.068 | 0–12 | −0.124 | −0.829 | 6.5 | 1.1 | Alternating verbal fluencies | 7.50 ± 4.040 | 0–16 | −0.191 | −0.438 | 6.5 | 2.2 | Action verbal fluencies | 9.18 ± 4.501 | 0–24 | 0.417 | 0.300 | 2.2 | 1.1 | Frontal-subcortical functions | 48.96 ± 15.777 | 11–82 | −0.382 | −0.357 | 2.2 | 1.1 | Instrumental-cortical functions | 26.36 ± 3.274 | 15–30 | −1.441 | 2.082 | 1.1 | 13.0 | PD-CRS total score | 75.32 ± 17.818 | 30–109 | −0.533 | −0.092 | 1.1 | 1.1 |
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PD-CRS: Parkinson’s disease-cognitive rating scale; SD: standard deviation.
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