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

Table 4 Effects of indicators on patients with post stroke cognitive impairment

	Aβ1-42	T3	FT4
Unadjusted
RR	0.658	0.741	0.582
95% CI	0.427-0.933	0.385-0.929	0.306-0.884
P value	0.022	0.036	0.017
Model I
RR	0.932	0.895	0.918
95% CI	0.852-0.936	0.876-0.982	0.923-0.994
P value	0.033	0.028	0.019
Model II
RR	0.684	0.673	0.825
95%CI	0.501-0.846	0.337-0.812	0.762-1.109
P value	0.009	0.017	0.092
Model III
RR	0.282	0.430	0.748
95%CI	0.258-0.833	0.332-0.918	0.747-1.116
P value	0.012	0.038	0.116

Model I: Adjusted for age and gender; Model II: Adjusted for age, gender, body mass index, education levels, smoking, drinking and history of disease; Model III: Adjusted for National Institutes of Health Stroke Scale, low-density lipoprotein, triglyceride in addition to the confounders that were adjusted for in Model II. Aβ1-42: β-amyloid protein1-42; T₃: Triiodothyronine; FT₄: Free thyroxin; RR: Relative risk; CI: Confidence interval.