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The objective of the present study was to investigate the association between N-terminal-pro-brain natriuretic peptide (NT-proBNP) quartiles and the risk of left ventricular hypertrophy (LVH), as well as to assess the association between NT-proBNP and hallmarks of LVH in heart failure (HF)-negative patients. Logistic regression analysis was used to analyze four groups of participants, who were stratified according to NT-proBNP quartiles, in order to investigate the association between NT-proBNP and the risk of LVH. Subsequently, analyses involving uni- and multivariate linear regression were performed to evaluate the associations of NT-proBNP with LV mass (LVM), LVM index (LVMI) and relative wall thickness (RWT). The results indicated that the occurrence of LVH was progressively enhanced along with increasing NT-proBNP quartiles in patients without HF. The univariate logistic regression analysis revealed that the groups of quartiles 4 and 3 carried a 5.254 and 1.757 times greater risk of LVH than the group of the lowest NT-proBNP quartile, respectively. Furthermore, the multivariate logistic regression analysis indicated that, compared with the quartile 1 group, participants in quartiles 2-4 had a significantly increased risk of LVH. In addition, significant positive linear associations of Lg(NT-proBNP) with LVM and LVMI were determined, while a inverse association between Lg(NT-proBNP) and RWT was indicated. The results of the present study suggested that the risk of LVH increased progressively with increasing NT-proBNP quartiles. On the basis of these results, NT-proBNP may be an effective independent prognostic marker for the risk of LVH in patients without HF.

An association between N‑terminal pro‑brain natriuretic protein level and risk of left ventricular hypertrophy in patients without heart failure