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Percentage of PD-MCI Cases Falling to Each K-Means Cluster.
| Impairment Cutoff | Cognitively Average % (n) |
Low EF % (n) |
Prominently Impaired EF/Memory % (n) |
Pearson Chi Square | p-Value | Cramer’s V |
|---|---|---|---|---|---|---|
| −1 SD | 1.01% (2) | 46.46% (92) | 52.53% (194) | 223.47 | <0.001 | 0.67 |
| −1.5 SD | 0.95% (1) | 23.81% (25) | 75.24% (79) | 213.13 | <0.001 | 0.66 |
| −2 SD | 0% (0) | 4.44% (2) | 95.56% (43) | 148.33 | <0.001 | 0.55 |
Note. PD-MCI = Parkinson’s Disease-Mild Cognitive Impairment; EF = Executive Function.
