Relationship between β-amyloid protein 1-42, thyroid hormone levels and the risk of cognitive impairment after ischemic stroke

Table 3 Analysis of the correlation between indicators and disease progression

	Montreal Cognitive Assessment			r	P value
	Aggravation, n = 77	Stable condition, n = 65	Improvement, n = 44
Aβ1-42 in pg/mL	358.6 ± 38.7	364.7 ± 33.9	392.5 ± 36.4	0.348	< 0.001
T3 in nmol/L	1.19 ± 0.75	1.42 ± 0.66	1.48 ± 0.61	0.273	< 0.001
FT4 in pmol/L	14.03 ± 2.86	15.15 ± 3.04	16.58 ± 2.42	0.214	0.005

Data are presented as mean ± standard deviation. Aβ1-42: β-amyloid protein1-42; T₃: Triiodothyronine; FT₄: Free thyroxin.