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. 2014 Aug 21;9(8):e105249. doi: 10.1371/journal.pone.0105249

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© 2014 Zheng et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Box plots of log of circulating N-terminal proB-type natriuretic peptide (NT-proBNP) levels showing medians with interquartile ranges. Overweight or obese patients have lower levels of Log NT-proBNP (2.62±0.18) compared with that of normal weight patients (2.75±0.15) with atrial fibrillation (P<0.001).