Table 2. The correlation of serum p75NTR-ECD with neuropsychological evaluation score.

	Unadjusted			Adjusteda
	r-value	95% CI	P-value	r-value	95% CI	P-value
MMSE
Overall	−0.472	−0.558–−0.377	<0.001	−0.482	−0.592–−0.364	<0.001
AD	−0.363	−0.492–−0.219	<0.001	−0.374	−0.500–−0.213	<0.001
CDR
Overall	0.457	0.360–0.545	<0.001	0.460	0.341–−0.577	<0.001
AD	0.305	0.157–0.441	<0.001	0.304	0.142–0.453	<0.001
ADL
Overall	0.443	0.345–0.532	<0.001	0.438	0.304–0.551	<0.001
AD	0.325	0.177–0.459	<0.001	0.320	0.160–0.453	<0.001

Abbreviations: AD, Alzheimer's disease; ADL, activities of daily living; CDR, clinical dementia rating; CI, confidence interval; MMSE, mini-mental state examination; p75NTR-ECD, ectodomain of p75 neurotrophin receptor.

^aAdjusted for age, sex, education, hyperlipidaemia, hypertension and diabetes.