. 2021 Jul 21;41(3):393–404. doi: 10.1002/npr2.12197

TABLE 3.

Partial correlations between iron parameters in brain and blood and cognitive and motor function according to HFE status

	Working memory	Episodic memory	Executive functioning	Perceptual speed	Motor speed
QSM putamen HFE‐neg	r = −.21 P = .013	r = .03 P = .745	r = −.05 P = .540	r = −.06 P = .514	r = .09 P = .311
QSM putamen HFE‐pos	r = .01 P = .918	r = .21 P = .109	r = .31 P = .016	r = .15 P = .231	r = .04 P = .753
Transferrin HFE‐neg	r = .11 P = .218	r = .01 P = .890	r = −.09 P = .305	r = −.07 P = .447	r = −.09 P = .303
Transferrin HFE‐pos	r = .20 P = .118	r = −.30 P = .015	r = −.13 P = .315	r = −.13 P = .312	r = −.08 P = .556

Working memory

Episodic memory

Executive functioning

Perceptual speed

Motor speed

QSM putamen HFE‐neg

r = −.21

P = .013

r = .03

P = .745

r = −.05

P = .540

r = −.06

P = .514

r = .09

P = .311

QSM putamen HFE‐pos

r = .01

P = .918

r = .21

P = .109

r = .31

P = .016

r = .15

P = .231

r = .04

P = .753

Transferrin HFE‐neg

r = .11

P = .218

r = .01

P = .890

r = −.09

P = .305

r = −.07

P = .447

r = −.09

P = .303

Transferrin HFE‐pos

r = .20

P = .118

r = −.30

P = .015

r = −.13

P = .315

r = −.13

P = .312

r = −.08

P = .556

All partial correlations were controlled for age, sex, and education. Analyses involving QSM (quantitative susceptibility mapping) were additionally controlled for volume of putamen.