Table 3.
Cognitive Comparison Between Clusters
| Cluster1 | Cluster 2 | Cluster 3 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | Kruskal–Wallis χ 2 value | P value (uncorrected) | Post Hoc | |
| N-back component | −0.11 | 0.84 | 0.21 | 0.86 | −0.07 | 1.13 | 4.01 | .14 | 1<2* |
| Contour task | |||||||||
| Component 1 | −0.25 | 1.08 | 0.07 | 1.03 | 0.114 | 0.91 | 5.69 | .58 | — |
| Component 2 | 0.15 | 0.92 | −0.01 | 0.89 | −0.09 | 1.11 | 2.46 | .29 | — |
| Verbal Fluency | |||||||||
| Component 1 | 0.06 | 0.97 | −0.04 | 0.98 | −0.03 | 1.04 | 0.28 | .87 | — |
| Component 2 | −0.04 | 1.07 | 0.33 | 1.17 | −0.14 | 0.81 | 2.03 | .36 | — |
Note: After Bonferroni correction, the significant difference level was 0.005.
*P < .05; **P < .005.