Table 7.
Correlations of whole brain volume and other imaging data adjusted for CSF AB42.
| Pearson correlation | Fisher-z | |||||
|---|---|---|---|---|---|---|
| All adjusted for AB42 | CC | EM | MI | CC | EM | MI |
| WBV and RD Genu (n) | 123 | 186 | 185 | 123 | 186 | 185 |
| Coef | −0.162 | −0.239 | −0.261 | −0.164 | −0.243 | −0.279 |
| SE | 0.090 | 0.076 | 0.083 | 0.092 | 0.080 | 0.085 |
| p-value | 0.074 | 0.002 | 0.007 | 0.074 | 0.002 | 0.006 |
| WBV and FA Genu (n) | 123 | 186 | 185 | 123 | 186 | 185 |
| Coef | 0.131 | 0.170 | 0.202 | 0.132 | 0.172 | 0.184 |
| SE | 0.090 | 0.098 | 0.088 | 0.092 | 0.101 | 0.084 |
| p-value | 0.15 | 0.085 | 0.039 | 0.15 | 0.09 | 0.046 |
| WBV and PIB (n) | 132 | 186 | 168 | 132 | 186 | 168 |
| Coef | 0.022 | 0.028 | 0.040 | 0.022 | 0.028 | 0.047 |
| SE | 0.088 | 0.083 | 0.083 | 0.088 | 0.074 | 0.083 |
| p-value | 0.80 | 0.74 | 0.63 | 0.80 | 0.74 | 0.57 |
Note: full data (Full), complete case analysis (CC), the expectation-maximization algorithm (EM), multiple imputation (MI), cerebrospinal fluid amyloid beta peptide 42 (AB42), whole brain volume (WBV), corpus callosum genu region (Genu),radial diffusivity (RD), fractional anisotropy (FA), and Pittsburgh Compound B (PIB)