Research Article
Trait Impulsivity Is Independent of Mild Cognitive Impairment in a Parkinson’s Disease Cohort
Table 3
Total BIS-11 and first- and second-order scores in the overall cohort and PD-C and PD-MCI groups.
| | | All subjects (n = 302) | PD-C (n = 189) | PD-MCI (n = 113) | Naïve pairwise comparison | Covariate corrected comparison |
| | BIS-11 total score | 59.7 (9.33) | 59.5 (8.77) | 60.2 (10.2) | | NS | | Second-order attentional | 15.3 (3.42) | 15.3 (3.18) | 15.4 (3.80) | | NS | | First-order attentional | 10.1 (2.66) | 9.96 (2.53) | 10.4 (2.56) | | NS | | First-order cognitive instability | 5.21 (1.58) | 5.34 (1.49) | 4.98 (1.70) | | | | Second-order nonplanning | 23.4 (5.15) | 23.8 (4.81) | 23.8 (5.67) | | NS | | First-order self-control | 12.07 (3.56) | 12.0 (3.29) | 12.2 (3.73) | | NS | | First-order cognitive complexity | 11.3 (2.58) | 11.1 (2.47) | 11.57 (2.74) | | NS | | Second-order motor | 21.0 (3.51) | 21.1 (3.26) | 21.0 (2.90) | | NS | | First-order motor | 13.6 (2.98) | 13.7 (2.77) | 13.5 (3.33) | | NS | | First-order perseverance | 7.46 (1.71) | 7.43 (1.63) | 7.50 (1.85) | | NS |
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