Table 4.
Post hoc structural measurements
| Structural measurements | Mean (SD) |
F (significance) | |||||
|---|---|---|---|---|---|---|---|
| ε4 non-carriers |
ε4 carriers |
|
|||||
| Males (n = 10) | Females (n = 11) | Males (n = 9) | Females (n = 9) | ε4 status | Sex | ε4 × sex | |
| Left caudate (mm3) | 3493.60 (439.56) | 3531.55 (620.92) | 4170.78 (666.75) | 3616.56 (486.29) | 3.47 (p > 0.05) | 2.02 (p > 0.05) | 2.10 (p > 0.05) |
| Right caudate (mm3) | 3492.30 (415.74) | 3628.82 (960.68) | 4219.78 (387.79) | 3704.22 (541.19) | 1.91 (p > 0.05) | 0.58 (p > 0.05) | 2.05 (p > 0.05) |
| Left putamen (mm3) | 4679.30 (824.49) | 4658.55 (607.08) | 5502.22 (741.86) | 4930.44 (620.86) | 5.52a (p = 0.03) | 0.96 (p > 0.05) | 2.61 (p > 0.05) |
| Right putamen (mm3) | 4424.10 (670.16) | 4401.27 (668.75) | 5419.67 (625.01) | 4889.22 (628.16) | 11.96a (p = 0.002) | 1.22 (p > 0.05) | 2.27 (p > 0.05) |
| Left parahippocampal gyrus (mm) | 2.39 (0.34) | 2.52 (0.35) | 2.01 (0.38) | 2.62 (0.44) | 1.54 (p > 0.05) | 9.65a (p = 0.004) | 2.95 (p > 0.05) |
| Right parahippocampal gyrus (mm) | 2.32 (0.24) | 2.40 (0.36) | 2.36 (0.38) | 2.44 (0.16) | 0.36 (p > 0.05) | 0.77 (p > 0.05) | 0.04 (p > 0.05) |
| Left isthmus cingulate gyrus (mm) | 2.67 (0.21) | 2.51 (0.23) | 2.36 (0.15) | 2.47 (0.17) | 3.10a (p = 0.09) | 0.57 (p > 0.05) | 4.54a (p = 0.041) |
| Right isthmus cingulate gyrus (mm) | 2.68 (0.24) | 2.47 (0.35) | 2.46 (0.24) | 2.46 (0.19) | 1.12 (p > 0.05) | 0.90 (p > 0.05) | 0.78 (p > 0.05) |
MANCOVA controlled for age and ICV.
Key: ICV, intracranial volume; SD, standard deviation.
a
Denotes significance.