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Case-Control Study to Investigate the Association Between Serum Apolipoprotein B/A1 Ratio and Atrial Fibrillation by Sex in 920 Patients from China

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Journal Med Sci Monit
Date 2022 May 14
PMID 35567295
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Abstract

BACKGROUND The serum apolipoprotein B/A1 ratio (APOB/APOA1) has been shown to predict cardiovascular events, whereas the effect of the APOB/APOA1 ratio on atrial fibrillation (AF) is less known. We investigated the association between the APOB/APOA1 ratio and AF by sex in 920 patients from China. MATERIAL AND METHODS We reviewed clinical data on 1840 hospitalized patients, including 920 patients with AF (male/female: 460/460, age: 68.62±10.36 years) and 920 age- and sex-matched patients without AF with sinus rhythm in China between January 2019 and September 2021. Pearson correlation analysis was performed to investigate the correlation between APOB/APOA1 ratio and AF-related metabolic factors. Logistic regression analysis was used to determine the odds ratios (ORs) and 95% confidence intervals (CIs). RESULTS Low serum APOB/APOA1 ratios in male and female patients were significantly associated with AF after adjusting for confounding factors (OR 0.159, 95% CI 0.058-0.432, P<0.05). Serum APOB/APOA1 ratio was positively correlated with triglyceride (TG) (r=0.146, P<0.05) and total cholesterol (TC) (r=0.227, P<0.05) and was negatively correlated with albumin (ALB) (r=-0.128, P<0.05) and prealbumin (PAB) (r=-0.107, P<0.05). There was no significant difference of APOB/APOA1 ratio in different subtypes, complications, and statin use in patients with AF (P>0.05). CONCLUSIONS A low serum APOB/APOA1 ratio in male and female patients from China was significantly related to AF. This finding implies that a low serum APOB/APOA1 ratio may be associated with the causes of AF. Further studies are needed to determine causalities.

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