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Correction to: BMC Pulm Med (2020) 20:27
https://doi.org/10.1186/s12890-020-1060-y
Following publication of the original article [1], the authors have flagged that there is an error in Fig. 3.
Namely, asterisks indicating significant difference are missing in the figure.
Please see the correct version of Fig. 3 in this correction article.
The authors apologize for any inconvenience caused.
Relative change in SP-A, SP-D, and KL-6 levels in the initial 3 and 6 months in the stable and progression groups. Changes in SP-A at 3 and 6 months, SP-D at 6 months, and KL-6 at 3 and 6 months were significantly smaller in the stable group than the progression group (*p < 0.05). Data were analyzed by Mann-Whitney U test. Horizontal line indicates median concentration. The upper and lower limits of the box indicate the inter-quartile range
Reference
Yoshikawa T, et al. Surfactant protein A as a biomarker of outcomes of anti-fibrotic drug therapy in patients with idiopathic pulmonary fibrosis. BMC Pulm Med. 2020;20:27. https://doi.org/10.1186/s12890-020-1060-y.
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Yoshikawa, T., Otsuka, M., Chiba, H. et al. Correction to: Surfactant protein A as a biomarker of outcomes of anti-fibrotic drug therapy in patients with idiopathic pulmonary fibrosis. BMC Pulm Med 20, 131 (2020). https://doi.org/10.1186/s12890-020-1118-x
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DOI: https://doi.org/10.1186/s12890-020-1118-x