Validation of Revised Chinese Version of PD-CRS in Parkinson’s Disease Patients

Table 3

Acceptability of PD-CRS.

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

PD-CRS: Parkinson’s disease-cognitive rating scale; SD: standard deviation.