Table 2.

Meta-analysis results of QSM values in the basal ganglia nuclei of AD patients compared to healthy controls.

Brain region	SMD (95% CI)	p-valuea	I2 (%)b/Phetrogenity	kc
Putamen	1.23 (0.62, 1.84)	0.00	87.24/0.00	8
Globus Pallidus	0.79 (0.07, 1.52)	0.03	88.88/0.00	6
Caudate Nucleus	0.72 (0.39, 1.06)	0.00	47.22/0.09	6
Thalamus	1.00 (−0.42, 2.43)	0.17	97.03/0.00	6

AD, Alzheimer’s disease; CI, confidence interval; QSM, quantitative susceptibility mapping; SMD, standardized mean difference.

^ap-value < 0.05.

^bA statistical measure of study heterogeneity.

^cNumber of studies.