Table 4.
Nonparametric bivariate correlations between WMH volume and cognition score in the different groups of the study and different scores for cognition and between age and different scores for cognition
| Variable | AD | LBD |
|---|---|---|
| MMSE | n = 61 | n = 16 |
| tot_WMH | −0.361 (0.004) | 0.008 (0.978) |
| pvh_WMH | −0.296 (0.02) | −0.048 (0.859) |
| d_WMH | −0.227 (0.078) | 0.183 (0.497) |
| Frontal WMH | −0.392 (0.002) | 0.023 (0.933) |
| Age | −0.150 (0.249) | −0.056 (0.836) |
| Education | 0.461 (0.000) | 0.195 (0.468) |
| Sex | −0.08 (0.542) | −0.107 (0.692) |
| CVLT-II | n = 61 | n = 14 |
| tot_WMH | −0.098 (0.451) | −0.002 (0.994) |
| pvh_WMH | −0.171 (0.188) | −0.122 (0.679) |
| d_WMH | 0.078 (0.552) | 0.164 (0.576) |
| Frontal WMH | −0.148 (0.254) | −0.064 (0.828) |
| Age | −0.316 (0.013) | −0.512 (0.061) |
| Education | 0.324 (0.011) | −0.077 (0.794) |
| Sex | 0.175 (0.177) | −0.239 (0.410) |
| Verbal fluency | n = 60 | n = 16 |
| tot_WMH | −0.318 (0.013) | 0.101 (0.711) |
| pvh_WMH | −0.278 (0.031) | 0.145 (0.592) |
| d_WMH | −0.210 (0.107) | 0.220 (0.412) |
| frontal WMH | −0.376 (0.003) | 0.086 (0.752) |
| Age | −0.195 (0.136) | −0.211 (0.433) |
| Education | 0.422 (0.001) | −0.101 (0.709) |
| Sex | −0.167 (0.203) | 0.000 (1.000) |
Numbers represent Spearman's rho with p values in parentheses.
tot_WMH = Total WMH correlation coefficient; pvh_WMH = periventricular WMH correlation coefficient; d_WMH = deep WMH correlation coefficient.