Enhancement of Executive Functions but Not Memory by Multidomain Group Cognitive Training in Patients with Parkinson’s Disease and Mild Cognitive Impairment: A Multicenter Randomized Controlled Trial
Table 2
Exploratory analysis of training effects for noncognitive outcomes for both groups at the pre- and posttest.
Cognitive training (n = 33)
Physical activity (n = 31)
ITT − value (time x group)
PP − value (time x group)
Pretest
Posttest
Pretest
Posttest
Activities of daily living
Bayer ADLb
2.81 ± 2.102
3.65 ± 4.342
2.90 ± 2.034
2.87 ± 1.674
0.266
0.021
0.949
0.000
Self-reported physical activity
PASEa
126.65 ± 72.911
149.74 ± 89.201
119.37 ± 62.623
116.96 ± 67.163
0.103
0.042
0.104
0.050
Depression
BDI-IIb
9.12 ± 5.541
9.30 ± 5.821
8.23 ± 4.443
9.32 ± 5.383
0.393
0.012
0.380
0.014
Quality of life
PDQ-39b
36.78 ± 19.572
35.72 ± 22.892
35.00 ± 22.293
34.39 ± 21.193
0.873
0.000
0.848
0.001
Self-experienced deficits of attention
0.662
0.026
0.907
0.010
FEDA subscore Ia
48.39 ± 8.701
47.24 ± 13.771
48.32 ± 11.793
48.03 ± 12.443
0.659
0.003
0.571
0.006
FEDA subscore IIa
27.52 ± 6.631
28.45 ± 7.221
27.63 ± 6.434
27.57 ± 6.564
0.461
0.009
0.859
0.001
FEDA subscore IIIa
22.88 ± 4.101
22.79 ± 4.991
23.43 ± 4.154
23.90 ± 3.874
0.500
0.008
0.967
0.000
Motor scores
UPDRS-IIIb
26.52 ± 13.881
26.58 ± 12.341
26.65 ± 13.413
28.03 ± 14.423
0.502
0.007
0.510
0.007
UPDRS-IVb
1.27 ± 2.301
0.82 ± 1.831
1.77 ± 2.673
1.90 ± 2.963
0.163
0.031
0.604
0.005
FOGb
8.24 ± 6.001
9.91 ± 7.621
5.97 ± 4.013
7.13 ± 6.173
0.712
0.002
0.965
0.000
The references of the neuropsychological and clinical assessments are obtainable from the authors upon request; data are indicated as mean standardized z-scores (if available) or raw scores and standard deviations. ADL, activities of daily living; FEDA, self-perceived deficits in attention; FOG, Freezing of Gait Questionnaire; ITT, intention-to-treat analysis; PASE, Physical Activity Scale for the Elderly; PP, per-protocol analysis; UPDRS, Unified Parkinson’s Disease Rating Scale. aHigher values indicate better performance; blower scores indicate better performance; 1n = 33; 2n = 32; 3n = 31; 4n = 30.