Research Article

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)
PretestPosttestPretestPosttest

Activities of daily living
 Bayer ADLb2.81 ± 2.1023.65 ± 4.3422.90 ± 2.0342.87 ± 1.6740.2660.0210.9490.000
Self-reported physical activity
 PASEa126.65 ± 72.911149.74 ± 89.201119.37 ± 62.623116.96 ± 67.1630.1030.0420.1040.050
Depression
 BDI-IIb9.12 ± 5.5419.30 ± 5.8218.23 ± 4.4439.32 ± 5.3830.3930.0120.3800.014
Quality of life
 PDQ-39b36.78 ± 19.57235.72 ± 22.89235.00 ± 22.29334.39 ± 21.1930.8730.0000.8480.001
Self-experienced deficits of attention0.6620.0260.9070.010
 FEDA subscore Ia48.39 ± 8.70147.24 ± 13.77148.32 ± 11.79348.03 ± 12.4430.6590.0030.5710.006
 FEDA subscore IIa27.52 ± 6.63128.45 ± 7.22127.63 ± 6.43427.57 ± 6.5640.4610.0090.8590.001
 FEDA subscore IIIa22.88 ± 4.10122.79 ± 4.99123.43 ± 4.15423.90 ± 3.8740.5000.0080.9670.000
Motor scores
 UPDRS-IIIb26.52 ± 13.88126.58 ± 12.34126.65 ± 13.41328.03 ± 14.4230.5020.0070.5100.007
 UPDRS-IVb1.27 ± 2.3010.82 ± 1.8311.77 ± 2.6731.90 ± 2.9630.1630.0310.6040.005
 FOGb8.24 ± 6.0019.91 ± 7.6215.97 ± 4.0137.13 ± 6.1730.7120.0020.9650.000

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.