Table 4.

Global volumes of the subcortical structures in different PD stages.

Structure	Mild	Moderate/severe	p value
Left caudate	3529.94 ± 435.57	3364.37 ± 491.75	0.937
Right caudate	3580.18 ± 447.80	3450.21 ± 511.28	0.937
Left pallidum	1921.40 ± 201.82	1921.32 ± 293.51	0.937
Right pallidum	1874.87 ± 211.36	1876.55 ± 209.11	0.937
Left putamen	5054.12 ± 654.77	4700.83 ± 524.27	0.937
Right putamen	4855.77 ± 646.74	4699.52 ± 519.30	0.937
Left thalamus	8192.551 ± 692.73	7814.38 ± 672.02	0.937
Right thalamus	7971.29 ± 711.85	7683.55 ± 620.45	0.937

P value was FDR-adjusted. No significant differences were found in global volume between patients in different stages.