Table 3:
Volumetric comparisons between patients with Parkinson disease with and without mild cognitive impairment
| SDGM Structuresa | PD-NCI (Mean) (SD) | PD-MCI (Mean) (SD) | Adjusted P Value |
|---|---|---|---|
| Amygdala | 2.13 (0.51) | 2.23 (0.36) | .220b |
| Hippocampus | 7.65 (0.97) | 7.18 (0.79) | .198b |
| Nucleus accumbens | 0.83 (0.22) | 0.64 (0.19) | .044b |
| Caudate nucleus | 6.37 (0.76) | 5.96 (0.76) | .327b |
| Putamen | 9.51 (1.41) | 8.62 (1.17) | .058b |
| Pallidum | 3.72 (0.66) | 3.60 (0.84) | .876b |
| Thalamus | 13.94 (1.65) | 12.71 (1.09) | .025b |
| Normalized gray matter | 688.76 (34.86) | 661.92 (28.24) | .035b |
| Normalized white matter | 654.43 (41.49) | 633.10 (46.04) | .618b |
a
All volumes are reported in milliliters. Significant difference is at the P < .05 level.
b
Analysis of variance adjusting for age, sex, education, and head size.