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. 2021 Mar 7;10(3):585. doi: 10.3390/cells10030585

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Serum amyloid A (SAA) levels in patients and healthy controls. Median SAA levels of idiopathic pulmonary fibrosis (IPF) (22.1 IQR 55.5), HP (23.4 IQR 43.4), sarcoidosis (31.0 IQR 56.3) and (E) GPA patients (36.9 IQR 123.7) were all higher than the median SAA level of healthy controls (10.1 IQR 15.6). Median SAA levels did not significantly differ between the diagnostic groups. HC: healthy control, Sar: sarcoidosis, HP: hypersensitivity pneumonitis, (E) GPA: (eosinophilic) granulomatosis with polyangiitis ((E) GPA), IPF: idiopathic pulmonary fibrosis. *, **, *** p-values were calculated using Kruskal–Wallis test including pairwise comparisons.