Research Article
Trait Impulsivity Is Independent of Mild Cognitive Impairment in a Parkinson’s Disease Cohort
Table 2
Clinical and demographic characteristics of cohort, when grouped by cognitive status.
| | | All subjects (n = 302) | PD-C (n = 189) | PD-MCI (n = 113) | Arm comparison |
| | Age of assessment (years) | 64.4 (9.20) | 63.2 (9.48) | 66.4 (8.51) | t = −2.95 | | Gender: male (%) | 186 (61.6) | 108 (57.1) | 78 (69.0) | OR = 4.28 | | Disease duration (years) | 8.27 (5.60) | 7.39 (5.09) | 9.75 (6.10) | t = −3.57 | | MDS-UPDRS III score | 19.9 (13.1) | 17.7 (11.0) | 23.6 (15.4) | t = −3.17 | | Total levodopa equivalent dosage (mg/day) | 841 (597) | 765 (571) | 970 (620) | t = −3.046 | | Deep brain stimulation treatment (%) | 32 (11.0) | 14 (4.8) | 18 (15.9) | OR = 4.72 | | Parkinson’s Disease Questionnaire (PDQ-39) | 32.5 (23.1) | 26.9 (18.8) | 40.9 (26.4) | t = −4.785 |
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