Table 5.
Associations of the subcortical grey matter volumes adjusted by head size, with the cognitive tests in the MCI group, at P-values below 0.050, corrected for age, gender and years of education. Bootstrap results are based on 1000 bootstrap samples.
| Subcortical structure | Cognitive test | Unstandardized coefficients | Std. coefficient | P-value | Associated in Control group (Yes/No) | Associated after applying bootstrap (Yes/No) (95% confidence interval; P) | |
|---|---|---|---|---|---|---|---|
| B | Std. error (SE) | β | |||||
| Left Hippocampus | STM shape-only (3 items) | 1.007 | 0.385 | 0.688 | 0.021 | No | Yes (95%CI = [0.250 1.706]; P = 0.017) |
| Animal Fluency | −59.165 | 26.980 | −0.560 | 0.043 | No | No (95%CI = [−132.576 −2.858]; P = 0.084) | |
| Rey figure delayed recall | 104.813 | 46.959 | 0.589 | 0.041 | No | No (95%CI = [−16.763 183.874]; P = 0.053) | |
| Right Hippocampus | Rey figure delayed recall | 100.559 | 41.335 | 0.559 | 0.028 | No | Yes (95%CI = [3.219 198.001]; P = 0.039) |
| Left Caudate | Rey figure delayed recall | 127.168 | 51.214 | 0.697 | 0.025 | No | Yes (95%CI = [2.573 213.555]; P = 0.015) |
| Left Putamen | ACE | 71.997 | 32.189 | 0.448 | 0.040 | No | Yes (95%CI = [16.304 136.525]; P = 0.015) |
| HVLT total recall | 51.774 | 22.851 | 0.496 | 0.038 | No | No (95%CI = [1.722 121.651]; P = 0.093) | |
| Graded naming test | 49.285 | 20.058 | 0.612 | 0.026 | No | Yes (95%CI = [4.270 81.389]; P = 0.021) | |
| Graded naming test | 47.468 | 17.466 | 0.582 | 0.015 | No | Yes (95%CI = [8.266 79.555]; P = 0.020) | |
| Left Globus Pallidus | STM shape-colour binding (2 items) | −7.671 | 3.301 | −0.563 | 0.042 | No | No (95%CI = [−12.678 9.190]; P = 0.057) |
| Right Putamen | ACE | −76.274 | 34.474 | −0.502 | 0.042 | No | No (95%CI = [−146.223 8.104]; P = 0.056) |