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. 2015 Apr 5;128(7):896–901. doi: 10.4103/0366-6999.154284

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Copyright: © 2015 Chinese Medical Journal

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

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Correlation analysis between the pulmonary artery width and NT-pro BNP with sPAP in IPF patients, respectively. (a) A positive correlation was found between the pulmonary artery width and sPAP in subjects with IPF (r = 0.513, P < 0.001); (b) A positive correlation was found between NT-pro BNP and sPAP in subjects with IPF (r = 0.452, P = 0.011). Analysis was performed with the Spearman rank correlation coefficient and Pearson rank correlation coefficient. sPAP: Systolic pulmonary artery pressure; NT-pro BNP: N-terminal fragment of pro-BNP; IPF: Idiopathic pulmonary fibrosis.