. 2026 Jan 18;16:5673. doi: 10.1038/s41598-026-36435-z

Table 2.

Spearman correlations between OEF values in selected rois and patient Age, MMSE, UPDRS-3, and H-Y stage for the PD group.

Metric		Age	MMSE	UPDRS-III	H-Y Stage
OEF	SN	0.014, p = 0.931	-0.109, p = 0.494	0.336 (0.336), p = 0.030* (0.032*)	0.282, p = 0.070
RN	-0.0004, p = 0.998	-0.110, p = 0.486	0.330 (0.332), p = 0.033* (0.034*)	0.309, p = 0.046*
GP	-0.001, p = 0.994	-0.117, p = 0.460	0.338 (0.340), p = 0.028* (0.030*)	0.298, p = 0.049*
Putamen	-0.044, p = 0.781	-0.104, p = 0.511	0.288 (0.294), p = 0.064 (0.062)	0.244, p = 0.119
CN	-0.143, p = 0.365	-0.015, p = 0.924	0.250 (0.268), p = 0.110 (0.091)	0.235, p = 0.134
White Matter	-0.011, p = 0.947	-0.165, p = 0.295	0.341 (0.343), p = 0.027* (0.028*)	0.313, p = 0.044*

Metric

Age

MMSE

UPDRS-III

H-Y Stage

OEF

0.014,

p = 0.931

-0.109,

p = 0.494

0.336 (0.336),

p = 0.030* (0.032*)

0.282,

p = 0.070

-0.0004,

p = 0.998

-0.110,

p = 0.486

0.330 (0.332),

p = 0.033* (0.034*)

0.309,

p = 0.046*

-0.001,

p = 0.994

-0.117,

p = 0.460

0.338 (0.340),

p = 0.028* (0.030*)

0.298,

p = 0.049*

Putamen

-0.044,

p = 0.781

-0.104,

p = 0.511

0.288 (0.294),

p = 0.064 (0.062)

0.244,

p = 0.119

-0.143,

p = 0.365

-0.015,

p = 0.924

0.250 (0.268),

p = 0.110 (0.091)

0.235,

p = 0.134

White Matter

-0.011,

p = 0.947

-0.165,

p = 0.295

0.341 (0.343),

p = 0.027* (0.028*)

0.313,

p = 0.044*

Partial correlations (with age and MMSE as control variables) are shown in parenthesis. *: p < 0.05.