Table 3.

Association between MRI changes and cognitive impairment.

Topography Hyperintense T2 Signal	OR (95% CI)	Model A+ ß (95% CI)	Model B++ ß (95% CI)	Model C+++ ß (95% CI)
Globus pallidus	5.38 (0.85-33.86)*	22.14 (1.19-410.30)*	13.473 (0.82-220.09)	9.06 (0.627-131.16)
Mesencephalon	3.00 (0.86-10.40)	5.04 (0.44-57.87)	5.38 (0.283-102.47)	3.11 (0.287-33.814)

^*p<0.05;

⁺corrected for years of education;

⁺⁺corrected for Motor Symptoms Scale scores;

⁺⁺⁺Correction for MRI total scores.