Table 6 Multiple linear regression analysis of factors influencing total MoCA scores in patients.

Variable	b	SE b	β	t	P	95%CI
Age (years)	0.00	0.02	0.00	−0.07	0.944	[−0.036, 0.034]
ACSL4 (ng/mL)	−0.12	0.04	−0.18	−2.75	0.007	[−0.204, −0.034]
GPX4 (ng/mL)	0.16	0.06	0.19	2.81	0.005	[0.049, 0.280]
GSH (g/L)	0.14	0.08	0.11	1.72	0.088	[−0.021, 0.303]
FE (ng/mL)	−1.39	0.55	−0.16	−2.55	0.012	[−2.464, −0.313]
TF (mg/mL)	0.30	0.17	0.12	1.77	0.078	[−0.034, 0.636]
SIRT1 (ng/mL)	0.14	0.31	0.03	0.47	0.641	[−0.466, 0.755]
SOD (U/mL)	−0.04	0.02	−0.13	−1.96	0.052	[−0.088, 0.000]
MDA (nmol/mL)	−0.07	0.08	−0.06	−0.88	0.378	[−0.227, 0.087]

MoCA Montreal cognitive assessment, ACSL4 acyl-CoA synthase long-chain family member 4, GPX4 glutathione peroxidase 4, GSH glutathione, FE ferritin, TF transferrin, SIRT1 Sirtuin 1, SOD superoxide dismutase, MDA malondialdehyde.
b Means unstandardized regression coefficient; B means standardized regression coefficient.
R² = 0.276, adjusted R² = 0.243, F = 8.234, P < 0.001.

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